Ingrid Langley and Patrick Gillard

1 A Murder of Crows (1987)
2 Death of a Raven (1988)
3 Brass Eagle (1988)
4 Who Killed Cock Robin? (1990)
5 Rook-Shoot (1991)
6 Gallows Bird (1993)
7 A Hanging Matter (2001)
8 Dead Trouble (2004)
9 So Horrible a Place (2004)
10 Tainted Ground (2006)
11 Cobweb (2007)
12 Blood Substitute (2008)
13 Souvenirs of Murder (2009)
14 Corpse in Waiting (2010)
15 Rat Poison (2011)
16 Stealth (2012)
17 Dark Side (2013)
18 Ashes to Ashes (2015)
19 Dust to Dust (2016)
20 Murders.Com (2017)
21 Stone Cold, Stone Dead (2018)
22 Gillard's Sting (2020)
23 The Not Quite Perfect Murderer (2021)