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)
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)
Police Procedure & Investigation: A Guide for Writers (Howdunit)
Police Procedural: A Writer's Guide to the Police and How They Work (Howdunit)
Rip-Off: A Writer's Guide to Crimes of Deception (Howdunit Writing)
Malicious Intent : A Writer's Guide to How Murderers, Robbers, Rapists and Other Criminals Think (The Howdunit)
Amateur Detectives: A Writer's Guide to How Private Citizens Solve Criminal Cases (Howdunit Writing)
Modus Operandi: A Writer's Guide to How Criminals Work (Howdunit)