Skeptics Guide to the Universe Forums

General Discussions => Skepticism / Science Talk => Topic started by: superdave on May 10, 2019, 10:03:04 AM

Title: free reliable e textbooks
Post by: superdave on May 10, 2019, 10:03:04 AM
A teaching resource I use sometimes I just thought some of you might find useful or interesting.
https://openstax.org/subjects