The Claw and the Clock
Christopher Anvil
Federation of Humanity (1)
The Operator
"Riddle Me This ... "
The Unknown
Interstellar Patrol
Interstellar Patrol II: The Federation of Humanity
Federation of Humanity (2)
Warlord's World
Federation of Humanity (3)
Basic
Federation of Humanity (89)
Test Ultimate
Federation of Humanity (90)
The Dukes of Desire
Federation of Humanity (91)
The King's Legions
Federation of Humanity (92)
The Nitrocellulose Doormat
Federation of Humanity (93)
The Royal Road
Federation of Humanity (94)
The Throne and the Usurper
Federation of Humanity (95)