Make It Stick, by Peter C. Brown

A Theory of Fun for Game Design, by Raph Koster

Understanding Teaching and Learning, by Michael Prosser and Keith Trigwell

Cognitive Development and Learning in Instructional Contexts, by James Byrnes

Design for How People Learn, by Julie Dirksen

How People Learn: Brain, Mind, Experience, and School, by the National Research Council

Disrupting Class: How Disruptive Innovation Will Change the Way the World Learns, by Clayton Christensen