American writer of fantasy and young adult fiction. His popular titles include Dragon Knight and Wizard's Return.
He published his debut young adult novel, The Dragon Well (volume 3), in 2004. The book was part of the Tracy Hickman and Margaret Weis-created Dragonlance series.
He published titles in the Anvil of Time and Shattered West series.
He was born in Washington, D.C., and he later settled in Utah with his wife and children.
Laura Hickman, wife of Dragonlance creator Tracy Hickman, helped develop a game based on the Dragonlance young adult series (which Willis contributed to as an author).