image Editor’s note: Welcome to our latest contributor, Walter Bender, executive director of Sugar Labs and former president of One Laptop per Child. Below he tells what Sugar---which is far, far more than just e-book software alone---means for education. Why not try out the just-released Sugar on a Stick v2 Blueberry for netbooks, PCs and recent Macs and share your impressions? Yes, via the Read Activity shown here, it supports ePub.  – D.R. In 1980, I was part of a team that was developing electronic books at MIT. Our principle test bed was a repair manual for an automatic...