[en] [The Checkpoint, Berlin Detective 01] • The Checkpoint, Berlin Detective Series Box Set An M.E. Gwynn Publication
[en] [Detective Bobby Mac Thriller 03] • R.S. Guthrie - Detective Bobby Mac 03 - Reckoning Smashwords Edition
[en] [Detective Bobby Mac 01] • R.S. Guthrie - Detective Bobby Mac 01 - Black Beast Blu Pencil Publications
[en] [Detective D.D. Warren 7.50] • 3 Truths and a Lie · A Detective D. D. Warren Story Penguin Publishing Group
[es] [Detective Atila 03] • Ruido De CañeríAs Editorial Alrevés S.L.
[en] [Detective Bobby Mac Thriller 02] • R.S. Guthrie - Detective Bobby Mac 02 - L O S T Blu Pencil Publications
[es] [Detective Sean Duffy 01] • Cold Cold Ground Blackstone Audiobooks
[en] [Oslo Detectives 05] • The Fourth Man Minotaur Books
[en] [The Railway Detective 07] • Railway to the Grave Allison & Busby
[en] [Oslo Detectives 05] • The Fourth Man Minotaur Books
[en] [The Railway Detective 04] • Horse, The Iron Allison & Busby
[en] [Detective Elliot 01] • Twisted Perception Deadly Niche Press