Dr. Peter Zak:

• AMNESIA (2000)
• ADDICTION (2001)
• DELUSION (2002)
• OBSESSED (2003)
• GUILT (2004)

Suspense novels:

• NEVER TELL A LIE (2009)
• COME AND FIND ME (2011)
• THERE WAS AN OLD WOMAN (2012)
• NIGHT NIGHT, SLEEP TIGHT (2012)

Nonfiction:

• WRITING AND SELLING YOUR MYSTERY NOVEL: How to Knock 'em Dead with Style (2005)
• 1001 BOOKS FOR EVERY MOOD (2008)
• THE BIBLIOPHILE'S DEVOTIONAL (2009)