*All classroom textbooks, online & PDF, can be found in our
Online Chemistry Textbooks:
The ChemWiki is a collaborative approach toward chemistry education where an Open Access textbook environment is constantly being written and re-written by students and faculty members at the University of California resulting in a free Chemistry textbook to supplant conventional paper-based books.
CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications to students and teachers.