cool toolsCool Tool | OpenStax July 18, 2016 Created to provide an alternative to traditional textbooks whose prices are rising farther and farther beyond what many students can … Read More
cool toolsCool Tool | Bookboon Makes e-Textbooks Free May 15, 2012 An e-book publisher offering free e-books? Really. With e-textbooks from Bookboon, a few ads appear in the books matching your … Read More