Debt 101 (Humble)
CPA Michele Cagan
Seven Elements That Changed the World
John Browne
The Little Prince
Antoine de Saint Exupéry
Mythology 101 (Humble)
Kathleen Sears
Dinosaurs Without Bones
Anthony J. Martin
Chaos: Making A New Science
James Gleick
Absolute Zero and the Conquest of Cold
Tom Schachtman
Moonshot
Brian Floca