Tripwire
Lee Child
Jack Reacher (3)
Their Invasion: Planet Athion Series
Marissa Farrar
Darkest Skies (1)
The Wizard and the Prophet
Charles C. Mann
Tom Swift and His Lunar Accelapult
Victor Appleton II & Scott Dickerson
Tom Swift Jr (43)
Operation Dolphin Spirit
Kimberli A. Bindschatel
Poppy McVie (6)
Dangerous Girls
Eric Vall
Dangerous Girls (1)
The Pearl Wars
Nick James
Skyship Academy (1)