Cambridge University Press is providing FREE Digital Access to Higher Education Textbooks (including Computer Science) through the end of May. Over 700 textbooks, published and currently available, on Cambridge Core are available at no cost! Click here then scroll down and choose the Subject you are interested in.
Check out these Education related Freebies
Print the 20-page My Very Own Dr. Seuss Activity Book for free from education[.com]. What a fun freebie to help keep the kids busy for a little while.