At Science After Sunclipse, Blake Stacey expands on Sean Eddy's review of Opening Up Education, a collection of essays edited by Toru Iiyoshi and M.S. Vijay Kumar in PLoS Biology. Eddy says that the book aims to show how individuals and institutions can use digital communication to freely redistribute educational materials to anyone who wants them, but he adds that many of the current attempts don't live up to the ideal.