Biker Mice from Mars
2. Hands Off My Bike! (1994)

Star Wars: Attack of the Clones (with Justine Fontes)
Battle in the Arena (2002)

Twisted Journeys (with Justine Fontes)
1. Captured by Pirates (2007)
19. The Fifth Musketeer (2012)

Top Secret Graphica Mysteries (with Justine Fontes)
Casebook The Bermuda Triangle (2009)
Casebook: Atlantis (2009)
Casebook: Bigfoot (2009)
Casebook: Ghosts (2009)
Casebook: The Loch Ness Monster (2009)
Casebook: UFOs And Alien Encounters (2009)
Casebook: Vampires (2009)
Casebook: Werewolves (2009)

The Rocketeer (1991)
Mars Attacks! (1996)
Wild America (1997) (with Justine Korman-Fontes and David Michael Wieger)
Rango: The Novel (2011) (with Justine Fontes)
Arthur Christmas (2011) (with Justine Fontes)

Rango: The Movie Storybook (2011) (with Justine Fontes)

Sunjata: Warrior King of Mali: A West African Legend (2007) (with Justine Fontes)
Atalanta: The Race Against Destiny: A Greek Myth (2008) (with Justine Fontes)
Demeter & Persephone: Spring Held Hostage: A Greek Myth (2008) (with Justine Fontes)
The Trojan Horse: The Fall of Troy (2010) (with Justine Fontes)

Abraham Lincoln: Lawyer, Leader, Legend (2009) (with Justine Fontes)
George Washington: Soldier, Hero, President (2009) (with Justine Korman)