Just the Facts, Ma'am: A Writer's Guide to Investigators and Investigation Techniques (Howdunit)
Murder One: A Writer's Guide to Homicide (Howdunit Series)
Deadly Doses: A Writer's Guide to Poisons (Howdunit Writing)
Police Procedural: A Writer's Guide to the Police and How They Work (Howdunit)
Cause of Death : A Writer's Guide to Death, Murder and Forensic Medicine (Howdunit Series)
Scene of the Crime: A Writer's Guide to Crime Scene Investigation (Howdunit Series)
How to Outline a Cozy Mystery: Workbook
Missing Persons: A Writer's Guide to Finding the Lost, the Abducted and the Escaped (Howdunit Writing)
Modus Operandi: A Writer's Guide to How Criminals Work (Howdunit)
Private Eyes: A Writer's Guide to Private Investigating (Howdunit Writing)