The Eternity Code
Eoin Colfer
Artemis Fowl (3)
energy conservation
heartslogos
there is only this (3)
Fledglings
Fobbie & Virgil134
The Fox Trap
ShadowBlazer
Fox Tricks (1)
Percy Jackson's Greek Heroes
Rick Riordan & John Rocco
Percy Jackson's Greek Gods
Rick Riordan
Percy Jackson and the Olympians (7)