112 books • 19 series
Book #1: Bowl of Heaven
Book #3: Glorious
Book #1: Dream Park
Book #2: The Barsoom Project
Book #3: The California Voodoo Game
Book #4: The Moon Maze Game
Book #4: Betrayer of Worlds
Book #1: The Burning City
Book #2: Burning Tower
Book #1: Legacy of Heorot
Book #2: Beowulf's Children
Book #3: The Secret of Black Ship Island
Book #3: Starborn and Godsons
Book #1: Inferno
Book #2: Juggler of Worlds
Book #3: Destroyer of Worlds
Book #1: N-Space
Book #1: Ringworld
Book #2: The Ringworld Engineers
Book #3: Ringworld Throne
Book #4: Ringworld's Children
Book #1: Fleet of Worlds
Book #8: Ringworld
Book #1: A World Out of Time
Book #3: Smoke Ring
Book #2: Integral Trees