Five go off to camp
Enid Blyton
The Famous Five (7)
Daughter of the Empire
Raymond E. Feist & Janny Wurts
The Empire Trilogy (1)
Empire of Light
Gary Gibson
The Shoal (3)
Flatland
Edwin A. Abbott
Ringworld
Larry Niven
Ringworld (1)
The Ringworld engineers
Ringworld (2)
The Ringworld Throne
Ringworld (3)
Ringworld's Children
Ringworld (4)