These texts are available in the UofT Bookstore for purchase. They are not expensive ($13-15 in paperback on amazon.ca).
You do not have to bring these to class: just bring a switched-on mind!
![[Greene's textbook]](http://upload.wikimedia.org/wikipedia/en/e/e2/TheElegantUniverse.jpg)
![[Sagan's text]](http://upload.wikimedia.org/wikipedia/en/7/7e/Demon-Haunted_World.jpg)
![[Creative Commons licence]](https://ap.io/images/cc2.jpg)
![[Valid XHTML 1.0 Transitional]](https://ap.io/images/vxhtml.jpg)