The Battle of the Labyrinth
Rick Riordan
Camp Half-Blood Chronicles (4)
The Oathbound
Mercedes Lackey
Valdemar: Vows and Honor (1)
People Park
Pasha Malla
Throne of Glass
Sarah J. Maas
Throne of Glass (1)
Collapse: How Societies Choose to Fail or Succeed
Jared Diamond
Civilizations Rise and Fall (2)