Spenser

1 The Godwulf Manuscript (1973)
2 God Save the Child (1974)
3 Mortal Stakes (1975)
4 Promised Land (1976)
5 The Judas Goat (1978)
6 Looking for Rachel Wallace (1980)
7 Early Autumn (1980)
8 A Savage Place (1981)
9 Ceremony (1982)
10 The Widening Gyre (1983)
11 Valediction (1984)
12 A Catskill Eagle (1985)
13 Taming a Sea-Horse (1986)
14 Pale Kings and Princes (1987)
15 Crimson Joy (1988)
16 Playmates (1989)
17 Stardust (1990)
18 Pastime (1991)
19 Double Deuce (1991)
20 Paper Doll (1993)
21 Walking Shadow (1994)
22 Thin Air (1995)
23 Chance (1996)
24 Small Vices (1997)
25 Sudden Mischief (1998)
26 Hush Money (1999)
27 Hugger Mugger (2000)
28 Potshot (2001)
29 Widow's Walk (2002)
30 Back Story (2003)
31 Bad Business (2004)
32 Cold Service (2005)
33 School Days (2005)
34 Hundred-Dollar Baby (2006)
     aka Dream Girl
35 Now and Then (2007)
36 Rough Weather (2008)
36.5 Chasing the Bear (2009)
37 The Professional (2009)
38 Painted Ladies (2010)
39 Sixkill (2011)
39.5 Silent Night (2013) (with Helen Brann)

continued in the series: Spenser

Spenser: A Mysterious Profile (2022)

The Judas Goat / Looking for Rachel Wallace / Early Autumn (1996)
A Triple Shot of Spenser (2005)
Enter Spenser (2010)
Looking for Rachel Wallace / Promised Land (2011)
The Spenser Novels 7-12 (2012)
The Spenser Novels 13-18 (2012)
The Spenser Novels 19-24 (2012)