We have realized the importance of e-books. Keeping in view this fact, various sites have been searched and suitable sites for e-books have been identified which are listed below.
Biology An Online Biology Book Lubey's BioHELP! The MIT Biology Hypertextbook General Biology Life Web Project cells alive! Biology Online The Virtual Frog Dissection Kit The Virtual Cell The Anatomy of Memory Science Learners Cow's Eye Dissection Mathematics Algebra Review Webmaths The Math Forum @ Drexel Dave's Short Trig Course E-Calculus EqWorld Euclid's Elements HMC Mathematics Algorithms and Complexity online maths Textbooks Wolfram Mathworld CampusBooks World Book UMDL Text, e-books and e-texts Meta Text University of Pennsylvania e-books Library of Free e-books Open e-book Forum Virtualbooks Project Gothenburg FCL e-bboks Free ebooks e-books and Bytes e-Books on South Asia Freetech Books University of Virginia e-book library NAP Open book e-text Archives Internet Public Library Direct TextBook Netlibrary AmericanMemory Online Text Collection E-Books of University of Adelaide Library e-books e-bookpalace Memo Ware World Lecture Hall Electronic Library of Mathmatics