The Underground
K. A. Applegate
Animorphs (17)
Chancy
Louis L'Amour
Shock for the Secret Seven
Enid Blyton
Secret Seven (13)
The Assassins of Thasalon
Lois McMaster Bujold
Penric and Desdemona (Publication order) (10)
Ice Station Zebra
Alistair MacLean
Icebound
Dean R. Koontz