By the pricking of my thumbs
Agatha Christie
Tommy and Tuppence (4)
The Wellspring of Chaos
L.E. Modesitt
Recluce (12)
Weyr Search
Anne McCaffrey
Pern Novellas (6)
The Order War
Recluce (4)
Ender's Shadow
Orson Scott Card
The Shadow Saga (1)
Ender's Game
The Ender Saga (1)