From a Changeling Star
Jeffrey A. Carver
Starstream (1)
Dragons of Eden
Carl Sagan
Interstellar Patrol II-The Federation of Humanity
Eric Flint & Christopher Anvil
Interstellar Patrol (2)
The Maze of Bones
Rick Riordan
39 Clues (1)
Lost Covenant: A Widdershins Adventure
Ari Marmell
Widdershins (3)