See OER Collections.
See also Faculty Select to find OER and multi-user e-books for classroom use. Use "Advanced Search" to limit your search to "OER Only". This collection includes open resources from BCcampus, Open Textbook Library, OpenStax and OpenSUNY. Faculty Select is on trial through to September 30, 2020. For more information, see the University Library's Increased Access to Online Collections web page.
If you would like support on how to use OER in your course or if you're interested in adapting, adopting or creating an open textbook, contact Joanne Kehoe or Olga Perkovic at firstname.lastname@example.org. You can also use these faculty toolkits and resources to get started:
Claire Coulter, Scott Cowen, Emma Gooch
Jenni Hayman, Olga Perkovic, Nada Savicevic