In addition to those works quoted and specifically referenced, the following works have been particularly valuable to me in my work in e-learning and, without doubt, shaped much of my thinking. I share them in hopes they will benefit you as well.

1. Aldrich, C. 2009. Learning Online with Games, Simulations, and Virtual Worlds: Strategies for Online Instruction. San Francisco: Jossey-Bass.
2. Bingham, T., and Conner, M. L. 2010. The New Social Learning: A Guide to Transforming Organizations through Social Media. Alexandria, VA: ASTD Press.
3. Buxton, W. 2007. Sketching User Experience: Getting the Design Right and the Right Design. San Francisco, CA: Morgan Kaufmann.
4. Carroll, J. M. 1998. Minimalism beyond the Nurnberg Funnel. Cambridge, MA: MIT Press.
5. Clark, R. C., and Mayer, R. E. 2016. E-learning and the Science of Instruction: Proven Guidelines for Consumers and Designers of Multimedia Learning. Hoboken, NJ: John Wiley & Sons.
6. Cross, J. 2007. Informal Learning: Rediscovering the Natural Pathways That Inspire Innovation and Performance. San Francisco: Pfeiffer/John Wiley & Sons.
7. Dirksen, J. 2012. Design for How People Learn. Berkeley, CA: New Riders.
8. Gee, J. P. 2003. What Video Games Have to Teach Us about Learning and Literacy. New York: Palgrave Macmillan.
9. Harasim, L. M. 2012. Learning Theory and Online Technologies. New York, NY: Routledge.
10. Papert, S. 1980. Mindstorms: Children, Computers, and Powerful Ideas. New York: Basic Books.
11. Peters, D. 2014. Interface Design for Learning: Design Strategies for Learning Experiences. Berkeley, CA: New Riders.
12. Rossett, Allison. 1998. First Things Fast: A Handbook for Performance Analysis. San Francisco: Jossey-Bass.