• 10 Uncanny Underwater Tales: 10 Types of Real Life Ocean Creatures (coauthored with Wim Coleman and Michael Arangua), Amazon Digital Services, Inc., Kindle edition, 2015
  • Away She Goes!: Riding into Women’s History (Setting the Stage for Fluency) (coauthored with Wim Coleman), Red Chair Press, 2014
  • Jamais Vu Views: a companion to the classic, The Jamais Vu Papers (coauthored with Wim Coleman), Madeira Press, 2013
  • The Jamais Vu Papers: Or Misadventures in the Worlds of Science, Myth, and Magic (coauthored with Wim Coleman), Plays on Ideas, 2013
  • Mayan Interface (coauthored with Wim Coleman), Madeira Press, 2012
  • Juggler in the Wind (The Wand Bearer Trilogy) (coauthored with Wim Coleman), Chiron Books, 2010
  • The Taker and the Keeper (The Red Monocle) (coauthored with Wim Coleman), Chiron Books, 2009
  • Anna’s World (coauthored with Wim Coleman), Chiron Books, 2009
  • The Secret World of Unicorns, Silver Dolphin Books, 2005
  • Terminal Games (coauthored with Wim Coleman, Pseud. Cole Perriman), Bantam Books, 1993, (Madeira Press, 2013)
  • The Jamais Vu Papers (coauthored with Wim Coleman), Harmony Books, 1991