The Battle of the Labyrinth
Rick Riordan
Percy Jackson and The Olympians (4)
Song of the Summer King
Jess Owen
The Summer King Chronicles (1)
The Devil's Paymaster
Maxwell Grant
The Shadow (137)
Grand Transitions: How the Modern World Was Made
Vaclav Smil
The Book of Nothing: Vacuums, Voids, and the Latest Ideas About ...
John D. Barrow
History of Mathematics, Volume 1
David Eugene Smith
History of Mathematics, Volume 2
Gödel, Escher, Bach: An Eternal Golden Braid
Douglas R. Hofstadter
Numbers Don't Lie: 71 Things You Need to Know About the World