Whitman attended the University of California, Berkeley, from 1985–1989 and received a B.A. in Literature; he attended Boston University from 1990–1991 and received an M.A. in Creative Writing. He has also served as the Executive Editor of Time Warner Audio books.
He has written many books, and written for projects such as Zorro (e.g. Witch's Curse) and the Star Wars: Galaxy of Fear series. His most recent books include four novels based on the television series 24, published by HarperCollins. He is also the co-author of the books Complete Krav Maga and Krav Maga for Beginners published by Ulysses Press.
- Galaxy of Fear: Eaten Alive
- Galaxy of Fear: City of the Dead
- Galaxy of Fear: Planet Plague
- Galaxy of Fear: The Nightmare Machine
- Galaxy of Fear: Ghost of the Jedi
- Galaxy of Fear: Army of Terror
- Galaxy of Fear: The Brain Spiders
- Galaxy of Fear: The Swarm
- Galaxy of Fear: Spore
- Galaxy of Fear: The Doomsday Ship
- Galaxy of Fear: Clones
- Galaxy of Fear: The Hunger
- Fairy Tales: Jaina and the Hanadak
- Fairy Tales: The Twins and the Taloden
- A Droid's Tale
- The Millennium Falcon
- The Greatest Battles
- Luke Skywalker's Race Against Time
- Han Solo's Rescue Mission
- The Empire Strikes Back (Mighty Chronicles)
- Return of the Jedi (Mighty Chronicles)
- Star Wars (Mighty Chronicles)
- Episode I: The Phantom Menace (Mighty Chronicles)
- Star Wars: Attack of the Clones (Mighty Chronicles)
- Combat Moon (in Star Wars Adventure Journal 9)
- Return of the Jedi
- Dark Empire
- Dark Empire II
- Empire's End
- Star Wars: The Mixed-Up Droid
- Tales of the Jedi
- Tales of the Jedi: Dark Lords of the Sith
- Dark Forces: Soldier for the Empire
- Dark Forces: Rebel Agent
- Dark Forces: Jedi Knight
Whitman's contribution to the Return of the Jedi drama came due to Brian Daley's poor health at the time, his most notable contribution being the inclusion of Arica.
- Star Wars: The Mixed-Up Droid (comic)