The collection includes following ebooks;
- The Godwulf Manuscript (Spenser, #1) by Robert B. Parker (1973)
- God Save The Child (Spenser, #2) by Robert B. Parker (1974)
- Mortal Stakes (Spenser, #3) by Robert B. Parker (1975)
- Promised Land (Spenser, #4) by Robert B. Parker (1976)
- The Judas Goat (Spenser, #5) by Robert B. Parker (1978)
- Looking For Rachel Wallace (Spenser, #6) by Robert B. Parker (1980)
- Early Autumn (Spenser, #7) by Robert B. Parker (1980)
- A Savage Place (Spenser, #8) by Robert B. Parker (1981)
- Ceremony (Spenser, #9) by Robert B. Parker (1982)
- The Widening Gyre (Spenser, #10) by Robert B. Parker (1983)
- Valediction (Spenser, #11) by Robert B. Parker (1984)
- A Catskill Eagle (Spenser, #12) by Robert B. Parker (1985)
- Taming A Sea-Horse (Spenser, #13) by Robert B. Parker (1986)
- Pale Kings And Princes (Spenser, #14) by Robert B. Parker (1987)
- Crimson Joy (Spenser, #15) by Robert B. Parker (1988)
- Playmates (Spenser, #16) by Robert B. Parker (1989)
- Stardust (Spenser, #17) by Robert B. Parker (1990)
- Pastime (Spenser, #18) by Robert B. Parker (1991)
- Double Deuce (Spenser, #19) by Robert B. Parker (1992)
- Paper Doll (Spenser, #20) by Robert B. Parker (1993)
- Walking Shadow (Spenser, #21) by Robert B. Parker (1994)
- Thin Air (Spenser, #22) by Robert B. Parker (1995)
- Chance (Spenser, #23) by Robert B. Parker (1996)
- Small Vices (Spenser, #24) by Robert B. Parker (1997)
- Sudden Mischief (Spenser, #25) by Robert B. Parker (1998)
- Hush Money (Spenser, #26) by Robert B. Parker (1999)
- Hugger Mugger (Spenser, #27) by Robert B. Parker (2000)
- Potshot (Spenser, #28) by Robert B. Parker (2001)
- Widow's Walk (Spenser, #29) by Robert B. Parker (2002)
- Back Story (Spenser, #30) by Robert B. Parker (2003)
- Bad Business (Spenser, #31) by Robert B. Parker (2004)
- Cold Service (Spenser, #32) by Robert B. Parker (2005)
- School Days (Spenser, #33) by Robert B. Parker (2005)
- Hundred-Dollar Baby (Spenser, #34) by Robert B. Parker (2006)
- Now & Then (Spenser, #35) by Robert B. Parker (2007)
- Rough Weather (Spenser, #36) by Robert B. Parker (2008)
- Chasing The Bear (Spenser, #37) by Robert B. Parker (2009)
- The Professional (Spenser, #38) by Robert B. Parker (2009)
- Painted Ladies (Spenser, #39) by Robert B. Parker (2010)
- Sixkill (Spenser, #40) by Robert B. Parker (2011)
- Robert B. Parker's Lullaby (Spenser, #41) by Ace Atkins (May 1st 2012)
- Robert B. Parker's Wonderland (Spenser, #42) by Ace Atkins (May 7th 2013)