Charles Todd: Inspector Ian Rutledge Mysteries

• Main Characters: Inspector Ian Rutledge, a veteran of the First World War who has returned to the police force as a detective but is battling with "shell shock" (what would be called post-traumatic stress disorder today). 
• Setting: Mostly England, in the years following World War I.
• Bold type indicates a book I've read. 

"Charles Todd" is the pen name used by the mother/son writing team of Caroline and Charles Todd. 

1. A Test of Wills (1994) 
2. Wings of Fire (1998)
3. Search the Dark (1999) 
4. Legacy of the Dead (2000) 
5. Watchers of Time (2001) 
6. A Fearsome Doubt (2002) 
7. A Cold Treachery (2005) 
8. A Long Shadow (2006) 
9. A False Mirror (2007) 
10. A Pale Horse (2008) 
11. A Matter of Justice (2008) 
12. The Red Door (2009) 
13. A Lonely Death (2011) 
14. The Confession (2012) 
15. Proof of Guilt (2013) 
16. Hunting Shadows (2014) 
17. A Fine Summer's Day (2015) 
18. No Shred of Evidence (2016) 
19. Racing the Devil (2017) 
20. The Gate Keeper (2018) 
21. The Black Ascot (2019) 
22. A Divided Loyalty (2020) 
23. A Fatal Lie (2021) 
24. A Game of Fear (2022) 

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S.J. Parris: Giordano Bruno Mysteries

• Main character: Giordano Bruno — monk, poet, scientist, magician — who investigates crime in the 16th century
• Setting: Primarily England
• Bold type indicates a book I've read.

1. Heresy (2010)
2. Prophecy (2011)
3. Sacrilege (2012)
4. The Secret Dead (2013) 
5. Treachery (2014) 
6. Conspiracy (2016) 
7. Execution (2020) 

......

P.G. Wodehouse: Jeeves Series

• Main characters: Bertie Wooster, wealthy and idle young Londoner, and his valet Jeeves
• Setting: England, early-to-mid 20th Century
• Bold type indicates a book I've read.

1. My Man Jeeves (1919)
2. The Inimitable Jeeves (1923) 
3. Carry On, Jeeves (1925)
4. Very Good, Jeeves (1930) 
5. Thank You, Jeeves (1934) 
6. Right Ho, Jeeves (1934) 
7. The Code of the Woosters (1938) 
8. Joy in the Morning (1946) (US title: Jeeves in the Morning)
9. The Mating Season (1949)
10. Ring for Jeeves (1953) (US title: The Return of Jeeves)
11. Jeeves and the Feudal Spirit (1954) (US title: Bertie Wooster Sees It Through)
12. A Few Quick Ones (1959)
13. Jeeves in the Offing (1960) (US title: How Right You Are, Jeeves)
14. Stiff Upper Lip, Jeeves (1963)
15. Plum Pie (1966)
16. Much Obliged, Jeeves (1971) (US title: Jeeves and the Tie That Binds)
17. Aunts Aren't Gentlemen (1974) (US title: The Cat-nappers)

......

Miss Seeton Mysteries

• Main character: Miss Emily D. Seeton, eccentric retired art teacher, who helps Scotland Yard solve mysteries and right wrongs, armed only with her sketch pad and trusty umbrella.
• Setting: England
• Bold type indicates a book I've read.

The Miss Seeton mystery novels have had three different authors over the years.

By Heron Carvic:

1. Picture Miss Seeton (1968)
2. Miss Seeton Draws the Line (1969)
3. Witch Miss Seeton (1971) (UK title: Miss Seeton, Bewitched)
4. Miss Seeton Sings (1973)
5. Odds on Miss Seeton (1975)

By Roy Peter Martin writing as Hampton Charles:

6. Miss Seeton, by Appointment (1990)
7. Advantage Miss Seeton (1990)
8. Miss Seeton at the Helm (1990)

By Sarah J. Mason writing as Hamilton Crane:

9.  Miss Seeton Cracks the Case (1991)
10. Miss Seeton Paints the Town (1991)
11. Miss Seeton Rocks the Cradle (1992)
12. Hands Up, Miss Seeton (1992)
13. Miss Seeton by Moonlight (1992)
14. Miss Seeton Plants Suspicion (1993)
15. Miss Seeton Goes to Bat (1993)
16. Starring Miss Seeton (1994)
17. Miss Seeton Undercover (1994)
18. Miss Seeton Rules (1994)
19. Sold to Miss Seeton (1995)
20. Sweet Miss Seeton (1996)
21. Bonjour, Miss Seeton (1997)
22. Miss Seeton's Finest Hour (1999)
23. Miss Seeton Quilts the Village (2017)
24. Miss Seeton Flies High (2018)
25. Watch the Wall, Miss Seeton (2019)

......

Ellis Peters: The Cadfael Chronicles

• Main character: Cadfael, a Welsh Benedictine monk who lives at Shrewsbury Abbey, in the first half of the 12th century
• Setting: Western England
• Bold type indicates a book I've read.

The Cadfael Chronicles are a series of historical mystery novels about a 12th century monk who is also a talented herbalist. In addition to his religious duties, Brother Cadfael spends a great deal of time investigating crimes and solving mysteries. "Ellis Peters" was a pseudonym of linguist Edith Pargeter.

1. A Morbid Taste for Bones (published in August 1977, set in 1137)
2. One Corpse Too Many (July 1979, set in August 1138)
3. Monk's Hood (August 1980, set in December 1138)
4. Saint Peter's Fair (May 1981, set in July 1139)
5. The Leper of Saint Giles (August 1981, set in October 1139)
6. The Virgin in the Ice (April 1982, set in November 1139)
7. The Sanctuary Sparrow (January 1983, set in the Spring of 1140)
8. The Devil's Novice (August 1983, set in September 1140)
9. Dead Man's Ransom (April 1984, set in February 1141)
10. The Pilgrim of Hate (September 1984, set in May 1141)
11. An Excellent Mystery (June 1985, set in August 1141)
12. The Raven in the Foregate (February 1986, set in December 1141)
13. The Rose Rent (October 1986, set in June 1142)
14. The Hermit of Eyton Forest (June 1987, set in October 1142)
15. The Confession of Brother Haluin (March 1988, set in December 1142)
16. The Heretic's Apprentice (February 1989, set in June 1143)
17. The Potter's Field (September 1989, set in August 1143)
18. The Summer of the Danes (April 1991, set in April 1144)
19. The Holy Thief (August 1992, set in February 1145)
20. Brother Cadfael's Penance (May 1994, set in November 1145)

Also part of the series, one book of (three) short stories about how Cadfael came to join a monastery:
A Rare Benedictine: The Advent of Brother Cadfael (September 1988, set in 1120)

.....

Anthony Trollope: Palliser Novels

• Main characters: Wealthy politician Plantagenet Palliser, his wife, Lady Glencora, and their aristocratic family
• Setting: Victorian England and Ireland
• Bold type indicates a book I've read.

This series of books were originally known as the "Parliamentary Novels"

1. Can You Forgive Her? (1864)
2. Phineas Finn (1869)
3. The Eustace Diamonds (1873)
4. Phineas Redux (1874)
5. The Prime Minister (1876)
6. The Duke's Children (1879)

......

Anthony Trollope: Chronicles of Barsetshire

• Main characters: The clergy and gentry of the fictional county of Barsetshire
• Setting: Victorian England
• Bold type indicates a book I've read.

1. The Warden (1855)
2. Barchester Towers (1857)
3. Doctor Thorne (1858)
4. Framley Parsonage (1861)
5. The Small House at Allington (1864)
6. The Last Chronicle of Barset (1867)

......

Anne Perry: William Monk Mysteries

• Main characters: William Monk, investigator (sometimes with the police force, sometimes working privately); and his wife Hester, formerly a Crimean War nurse.
• Setting: Victorian England
Bold type indicates a book I've read.

1. The Face of a Stranger (1990)
2. A Dangerous Mourning (1991)
3. Defend and Betray (1992)
4. A Sudden, Fearful Death (1993)
5. The Sins of the Wolf (1994)
6. Cain His Brother (1995)
7. Weighed in the Balance (1996)
8. The Silent Cry (1997)
9. A Breach of Promise (aka: Whited Sepulchres) (1997)
10. The Twisted Root (1999)
11. Slaves of Obsession (aka: Slaves and Obsession) (2000)
12. A Funeral in Blue (2001)
13. Death of a Stranger (2002)
14. The Shifting Tide (2004)
15. Dark Assassin (2006)
16. Execution Dock (2009)
17. Acceptable Loss (2011)
18. A Sunless Sea (2012)
19. Blind Justice (2013)
20. Blood on the Water (2014)
21. Corridors of the Night (2015)
22. Revenge in a Cold River (2016)
23. An Echo of Murder (2017)
24. Dark Tide Rising (2018)

......

Anne Perry: Charlotte and Thomas Pitt Mysteries

• Main characters: Thomas Pitt, a police inspector (later, superintendent), and his wife Charlotte
• Setting: Victorian London
• Bold type indicates a book I've read.

1. The Cater Street Hangman (1979)
2. Callander Square (1980)
3. Paragon Walk (1981)
4. Resurrection Row (1981)
5. Rutland Place (1983)
6. Bluegate Fields (1984)
7. Death in the Devil's Acre (1985)
8. Cardington Crescent (1987)
9. Silence in Hanover Close (1988)
10. Bethlehem Road (1990)
11. Highgate Rise (1991)
12. Belgrave Square (1992)
13. Farrier's Lane (1993)
14. The Hyde Park Headsman (1994)
15. Traitors Gate (1995)
16. Pentecost Alley (1996)
17. Ashworth Hall (1997)
18. Brunswick Gardens (1998)
19. Bedford Square (1999)
20. Half Moon Street (1998)
21. The Whitechapel Conspiracy (2001)
22. Southampton Row (2002)
23. Seven Dials (2003)
24. Long Spoon Lane (2005)
25. Buckingham Palace Gardens (2008)
26. Betrayal at Lisson Grove (US title: Treason at Lisson Grove) (2011)
27. Dorchester Terrace (2012)
28. Midnight at Marble Arch (2013)
29. Death on Blackheath (2014)
30. The Angel Court Affair (2015)
31. Treachery at Lancaster Gate (2016)
32. Murder on the Serpentine (2016)

......

Lynn Shepherd: Charles Maddox Mysteries

● Main Character: Charles Maddox, former police officer now working as a private investigator (or "thief-taker") in Victorian London
● Setting: 19th Century England, mostly London and environs
● Bold type indicates a book I've read

1. Murder at Mansfield Park  (2010) 
2. The Solitary House  (2012) 
3. A Fatal Likeness  (2013) 
4. The Pierced Heart  (2014) 

Colin Watson: Flaxborough Mysteries

● Main character: Detective Inspector Walter Purbright
● The fictional town of Flaxborough, in East Anglia
● Bold type indicates a book I've read

1. Coffin, Scarcely Used  (1958)
2. Bump in the Night  (1960)
3. Hopjoy Was Here  (1962)
4. Lonelyheart 4122  (1967)
5. Charity Ends at Home  (1968) 
6. Just What the Doctor Ordered  (1969) 
7. Broomsticks Over Flaxborough  (1972) 
8. Six Nuns and a Shotgun  (1975) 
9. It Shouldn't Happen to a Dog  (1977) 
10. Blue Murder  (1979) 
11. Plaster Sinners  (1980) 
12. Whatever's Been Going On at Mumblesby?  (1982) 

Iain Pears: Jonathan Argyll Art History Mysteries

● Main characters: British art historian Jonathan Argyll who works with two members of the fictitious Italian Art Squad: General Bottando, head of the squad; and Bottando's deputy, Flavia di Stefano
● Setting: Italy
● Bold type indicates a book I've read

1. The Raphael Affair  (1991)  [See Review]
2. The Titian Committee  (1992)
3. The Bernini Bust  (1993)
4. The Last Judgement  (1994)
5. Giotto's Hand  (1995)
6. Death and Restoration  (1996)
7. The Immaculate Deception  (2000)

Anne Perry: Christmas Stories

● Main characters: Various, including characters from her other novels
● Setting: Mostly the UK, although a few of the stories do venture into other countries
● Bold type indicates a book I've read

1. A Christmas Journey  (2003)
2. A Christmas Visitor  (2004)
3. A Christmas Guest  (2005)
4. A Christmas Secret  (2006)
5. A Christmas Beginning  (2007)
6. A Christmas Grace  (2008)
7. A Christmas Promise  (2009)
8. A Christmas Odyssey  (2010)
9. A Christmas Homecoming  (2011)
10. A Christmas Garland  (2012)
11. A Christmas Hope  (2013)
12. A New York Christmas  (2014)
13. A Christmas Escape  (2015)  [See Review] 
14. A Christmas Message  (2016)
15. A Christmas Return  (2017) 
16. A Christmas Revelation (2018) 
17. A Christmas Gathering (2019) 
18. A Christmas Resolution (2020) 
19. A Christmas Legacy (2021) 

Alan Hunter: Chief Inspector George Gently

● Main character: Police Inspector (later Chief Inspector) George Gently
● Setting: Primarily England's East Anglia
● Bold type indicates a book I've read

[These novels are the basis for the popular "Inspector Gently" BBC-TV series. However, the TV version is (in general) quite different from the books. And while the TV show is a classic "whodunnit", the books are basically police procedurals, with the focus more on character than plot.]

1. Gently Does It (1955)
2. Gently by the Shore (1956)
3. Gently Down the Stream (1957)
4. Landed Gently (1957)
5. Gently Through the Mill (1958)
6. Gently in the Sun (1959)
7. Gently with the Painters (1960)
8. Gently to the Summit (1961)
9. Gently Go Man (1961)
10. Gently Where the Roads Go (1962)
11. Gently Floating (1963)
12. Gently Sahib (1964)
13. Gently with the Ladies (1965)
14. Gently North-West (1967)
15. Gently Continental (1967)
16. Gently Coloured (1969)
17. Gently with the Innocents (1970)
18. Gently at a Gallop (1971)
19. Vivienne: Gently Where She Lay (1972)
20. Gently French (1973)
21. Gently in Trees (1974)
22. Gently with Love (1975)
23. Gently Where the Birds Are (1976)
24. Gently Instrumental (1977)
25. Gently to a Sleep (1978)
26. The Honfleur Decision (1980)
27. Gabrielle’s Way (1981)
28. Fields of Heather (1981)
29. Gently Between Tides (1982)
30. Amorous Leander (1983)
31. The Unhung Man (1984)
32. “Once a Prostitute...” (1984)
33. The Chelsea Ghost (1985)
34. Goodnight, Sweet Prince (1986)
35. Strangling Man (1987)
36. Traitor's End (1988)
37. Gently with the Millions (1989)
38. Gently Scandalous (1990)
39. Gently to a Kill (1991)
40. Gently Tragic (1992)
41. Gently in the Glens (1993)
42. Bomber’s Moon (1994)
43. Jackpot! (1995)
44. The Love of Gods (1997)
45. Over Here (1998)
46. Gently Mistaken (1999)

Peter Robinson: Inspector Banks Mysteries

● Main character: Detective Chief Inspector (DCI) Alan Banks
● Setting: Yorkshire, England / present day
● Bold type indicates a book I've read

1. Gallows View (1987)
2. A Dedicated Man (1988)
3. The Hanging Valley (1989)
4. A Necessary End (1990)
5. Past Reason Hated (1992)
6. Wednesday's Child (1992)
7. Final Account (1994); aka: Dry Bones That Dream
8. Innocent Graves (1996)
9. Dead Right (1997); aka: Blood At The Root
10. In a Dry Season (1999)
11. Cold is the Grave (2000)
12. Aftermath (2001)
13. The Summer that Never Was (2002); aka: Close To Home
14. Playing with Fire (2003)
15. Strange Affair (2004)
16. Piece of My Heart (2006)
17. Friend of the Devil (2007)
18. All the Colours of Darkness (2008)
19. Bad Boy (2010)
20. Watching the Dark (2012)
21. Children of the Revolution (2013)
22. Abattoir Blues (2014); aka: In The Dark Places  
23. When the Music's Over (2016)  
24. Sleeping in the Ground (2016) 
25. Careless Love (2018) 
26. Many Rivers to Cross (2019) 
27. Not Dark Yet (2021) 

Alan Bradley: The Flavia de Luce Mysteries

Main character: Flavia de Luce, 11-year-old aspiring chemist and amateur sleuth who uses her scientific curiosity to solve mysteries.
Setting: England
Bold type indicates a book I've read.

1. The Sweetness at the Bottom of the Pie (2009)
2. The Weed That Strings the Hangman's Bag (2010)
3. A Red Herring Without Mustard (2011)
4. I Am Half-Sick of Shadows (2011)
5. Speaking from Among the Bones (2013)
6. The Dead in Their Vaulted Arches (2014)
7. As Chimney Sweepers Come to Dust (2015) 
8. Thrice the Brinded Cat Hath Mew'd (2016)
9. The Grave's a Fine and Private Place (2018) 
10. The Golden Tresses of the Dead (2019) 
11. What Time the Sexton's Spade Doth Rust (2024) 

Susan Cooper: The Dark Is Rising Series

This is not a typical "series." It's a five-book sequence of fantasy novels written for young people.
Main Characters: Merriman Lyon, Will Stanton
Setting: England
Bold type indicates a book I've read.

Over Sea, Under Stone (1965) [See Review]
The Dark Is Rising (1973) [See Review]
Greenwitch (1974) [See Review]
The Grey King (1975) [See Review]
Silver on the Tree (1977)

Josephine Tey: Inspector Alan Grant Mysteries

Josephine Tey is the pseudonym of Elizabeth MacKintosh, who also published under the name of Gordon Daviot.
Main Character: Inspector Alan Grant of Scotland Yard
Setting: England and Scotland
Bold type indicates a book I've read.

The Man in the Queue (1929), writing as Gordon Daviot
A Shilling for Candles (1936)
The Franchise Affair (1948)
To Love and Be Wise (1950)
The Daughter of Time (1951)
The Singing Sands (1952)

Agatha Christie: The Miss Marple Mysteries

Main Character: Miss Jane Marple, elderly spinster and amateur sleuth
Location: St. Mary Mead and other locales, mostly in England
Bold type indicates a book I've read.

1. Murder at the Vicarage (1930)
2. The Tuesday Club Murders (1932), aka: The Thirteen Problems
3. The Regatta Mystery (1939)
4. The Body in the Library (1942)
5. The Moving Finger (1943)
6. Mousetrap & Other Stories (1950)
7. A Murder is Announced (1950)  [See Review]
8. Murder with Mirrors (1952), aka: They Do It With Mirrors
9. A Pocket Full of Rye (1953)
10. What Mrs. McGillicuddy Saw (1957), aka: 4:50 from Paddington
11. The Adventure of the Christmas Pudding (1960)
12. Double Sin & Other Stories (1961)
13. The Mirror Crack'd (1962), aka: The Mirror Crack'd From Side to Side
14. A Caribbean Mystery (1964)
15. At Bertram's Hotel (1965)
16. Nemesis (1971)
17. Sleeping Murder (1976)

Agatha Christie: The Hercule Poirot Mysteries

Main Character: Hercule Poirot, Belgian private investigator
Setting: mostly England
Bold type indicates a book I've read.

The Mysterious Affair at Styles (1920)
Murder on the Links (1923)
Poirot Investigates (1924)
The Murder of Roger Ackroyd (1926)
The Big Four (1927)
The Mystery of the Blue Train (1928)
Peril at End House (1932)
Thirteen at Dinner (1933)
Murder on the Orient Express (1934), aka: Murder in the Calais Coach
Murder in Three Acts (1935)
Death in the Air (1935), aka: Death in the Clouds
The A.B.C. Murders (1935)
Murder in Mesopotamia (1936)
Cards on the Table (1936) Poirot / Ariadne Oliver  [see review]
Poirot Loses a Client (1937), aka: Dumb Witness
Death on the Nile (1937)
Dead Man's Mirror (1937)
Appointment With Death (1938)
A Holiday for Murder (1938), aka: Murder for Christmas
The Regatta Mystery (1939)
Sad Cypress (1940)
The Patriotic Murders (1940)
An Overdose of Death (1940), aka: One, Two, Buckle My Shoe
Evil Under the Sun (1941)
Murder in Retrospect (1943), aka: Five Little Pigs (1942)
Murder After Hours (1946)
The Labours of Hercules (1947)
There is a Tide (1948), aka: Taken at the Flood 
Witness for the Prosecution & Other Stories (1948)
Mousetrap & Other Stories (1950)
The Underdog and Other Stories (1951)
Mrs. McGinty's Dead (1952) Poirot / Ariadne Oliver
Funerals Are Fatal (1953), aka: After the Funeral
Hickory, Dickory, Death (1955)
Dead Man's Folly (1956) Poirot / Ariadne Oliver
Cat Among the Pigeons (1959)
The Adventure of the Christmas Pudding (1960)
Double Sin and Other Stories (1961)
The Clocks (1963)
Third Girl (1966) Poirot / Ariadne Oliver
Hallowe'en Party (1969) Poirot / Ariadne Oliver
Elephants Can Remember (1972) Poirot / Ariadne Oliver [see review]
Hercule Poirot's Early Cases (1974)
Curtain (1975)