The secret adversary
Agatha Christie
Tommy and Tuppence (1)
Proof
Dick Francis
Wizard's First Rule
Terry Goodkind
The Sword of Truth (1)
The Mote in God's Eye (Moties Series 1)
Larry Niven & Jerry Pournelle
Motes Series (1)
Dragonsinger
Anne McCaffrey
Dragonriders Of Pern (4)