13 books in series

Warlock

Warlock is a 13-book series with 13 primary works first released in 1969 with contributions by Christopher Stasheff.

Escape Velocity
The Warlock in Spite of Himself
King Kobold Revived
The Warlock Unlocked
The Warlock Enraged
The Warlock Wandering
The Warlock Is Missing
The Warlock Heretical
The Warlock's Companion
The Warlock Insane
The Warlock Rock
Warlock and Son
The Warlock's Last Ride