OpenStax College is pleased to announce the first editions of College Physics and Introduction to Sociology.

Both of these completely free textbooks are available now for download and use on computers, mobile devices, and e-book readers.  No registration or password required, and access never expires.  Print editions will be available shortly.

We have been overwhelmed by the positive responses to samples of these books.  Now you can check them out in their entirety.  As always, comments are welcome.

Openstax College - Crossing the OER chasm one textbook at a time.