Socialism 101 (Humble)
Kathleen Sears
Absolute Zero and the Conquest of Cold
Tom Schachtman
How to Cool the Planet
Jeff Goodell
Philosophy 101 (Humble)
Paul Kleinman
World History 101 (Humble)
Tom Head
Weather 101
Stock Market 101
Michele Cagan
Statistics 101 (Humble)
David Borman
Sales 101 (Humble)
Wendy Connick
Retirement 101 (Humble)
CPA Michele Cagan
Religion 101 (Humble)
Peter Archer
Real Estate Investing 101 (Humble)
Psych 101
Poetry 101 (Humble)
Susan Dalzell
Negotiating 101 (Humble)
Peter Sander
Mythology 101 (Humble)
Music Theory 101 (Humble)
Brian Boone & Marc Schonbrun
Genetics 101
Beth Skwarecki
Ethics 101 (Humble)
Brian Boone
Debt 101 (Humble)
Day Trading 101 (Humble)
Buddhism 101 (Humble)
Arnie Kozak
Astronomy 101
Carolyn Collins Petersen
Art 101 (Humble)
Eric Grzymkowski
Accounting 101 (Humble)