These college-level textbooks are currently or were recently used in U.S. colleges and universities.
- These are university-quality textbooks:
- Most contain exercises, discussion questions, problem sets.
- Most have appendices, supplemental materials and bibliographies.
- Academically reviewed and tested in the classrooms.
- PDF versions are free. Registration is not required for downloading.
- Some texts (marked with a dark triangle (►)in the title) have print versions available, reprinted by Textbook Equity under the terms of their Creative Commons (e.g. CC-BY) license.
- Prices for print versions range from U.S. $19.95 to $59.95 (average = $39.00) plus standard tax and shipping charged by the printers — Createspace.com, Amazon.com, or Lulu.com. In most cases the books are printed in grayscale to keep the prices manageable.
- Other texts, marked with a § in their title, include links to the author’s printed versions.
- If you own the copyright to a textbook and wish to convert it to an open license write editors at textbookequity dot org.