• Megladon and Prehistoric Sharks. New York: Zenoscope, 2013.
• Eighth Day Genesis: A Worldbuilding Codex for Writers and Creatives. Madison, WI: Alliteration Ink, 2012. Nominee, 2013 Origins Award, Best RPG Aid.
• Animal Planet: World’s Most Dangerous Animals. New York: Zenoscope, 2012.
• Six Degrees Bios: World War II. New York: Scholastic, 2011.
• Dinosaurs! New York: Zenoscope, 2011.
• Six Degrees Bios: The Civil War. New York: Scholastic, 2011.
• Tied In: The Business, History, and Craft of Media Tie-In Writing. Calabasas, CA: International Association of Media Tie-in Writers, 2010.
• Free Realms: The Official Handbook. New York: Scholastic, 2010.
• Storytelling: An Encyclopedia of Mythology and Folklore. New York: M.E. Sharpe, 2010.
• Newsmakers: Vladimir Putin. New York: Rosen Publishing, 2007.
• Leaders of the Enlightenment: Thomas Hobbes. New York: Rosen Publishing, 2005.
• The Library of Author Biographies: Madeleine L’Engle.. New York: Rosen Publishing, 2005.
• The Library of Graphic Novelists: Colleen Doran. New York: Rosen Publishing, 2005.
• Extreme Sports Biographies: Dave Mirra. New York: Rosen Publishing, 2004.
• Extreme Sports Biographies: Taig Khris. New York: Rosen Publishing, 2004.
• Biographies of Arab Leaders: Gamal Abdel-Nassar. New York: Rosen Publishing, 2004.
• Extreme Careers: Cryptology. New York: Rosen Publishing, 2004.
• War and Conflict in the Middle East: The Yom Kippur War. New York: Rosen Publishing, 2003.
• Rad Sports Techniques, Training and Tricks: Razor (Scooter). New York: Rosen Publishing, 2003.
• Rad Sports Techniques, Training and Tricks: Mountain Biking. New York: Rosen Publishing, 2002.
• Advanced Skateboarding: A Guide to More Tricks and Air Time. New York: Rosen Publishing, 2002.
• A Beginner’s Guide to Very Cool Skateboarding Tricks. New York: Rosen Publishing, 2002.
• Unsolved Mysteries: the Bermuda Triangle. New York: Rosen Publishing, 2002.