Charlotte and Thomas Pitt Novels

1. The Cater Street Hangman
2. Callander Square
3. Paragon Walk
4. Resurrection Row
5. Bluegate Fields
6. Rutland Place
7. Death in the Devil's Acre
8. Cardington Crescent
9. Silence in Hanover Close
10. Bethlehem Road
11. Highgate Rise
12. Belgrave Square
13. Farriers' Lane
14. The Hyde Park Headsman
15. Traitors' Gate
16. Pentecost Alley
17. Ashworth Hall
18. Brunswick Gardens
19. Bedford Square
20. Half Moon Street
21. The Whitechapel Conspiracy
22. Southampton Row
23. Seven Dials
24. Long Spoon Lane
25. Buckingham Palace Gardens
26. Treason at Lisson Grove
27. Dorchester Terrace
28. Midnight at Marble Arch
29. Death on Blackheath
30. The Angel Court Affair
31. Treachery at Lancaster Gate
32. Murder on the Serpentine
33. Twenty-One Days (labeled #1 in Daniel Pitt Series)

Daniel Pitt Series

1. Twenty-One Days
2. Triple Jeopardy
3. One Fatal Flaw

Elena Standish Mysteries

1. Death in Focus

Christmas Mysteries

1. A Christmas Journey
2. A Christmas Visitor
3. A Christmas Guest
4. A Christmas Secret
5. A Christimas Beginning
6. A Christmas Grace
7. A Christmas Promise
8. A Christmas Odyssey
9. A Christmas Homecoming
10. A Christmas Garland
11. A Christmas Hope
12. A New York Christmas
13. A Christmas Escape
14. A Christmas Message
15. A Christmas Return

William Monk Novels

1. Face of a Stranger
2. A Dangerous Mourning
3. Defend and Betray
4. A Sudden, Fearful Death
5. Sins of the Wolf
6. Cain His Brother
7. Weighed in the Balance
8. The Silent Cry
9. A Breach of Promise
10. The Twisted Root
11. Slaves of Obsession
12. Funeral in Blue
13. Death of a Stranger
14. The Shifting Tide
15. Dark Assassin
16. Execution Dock
17. Acceptable Loss
18. A Sunless Sea
19. Blind Justice
20. Blood on the Water
21. Corridors of the Night
22. Revenge in a Cold River
23. An Echo of Murder
24. Dark Tide Rising

The World War I Series

1. No Graves As Yet
2. Shoulder the Sky
3. Angels in the Gloom
4. At Some Disputed Barricade
5. We Shall Not Sleep