This document summarizes the benefits of open educational resources (OER) and open textbooks, specifically the BC Open Textbook Project. It outlines 6 key benefits of open textbooks beyond just being free: 1) faculty can customize textbooks to fit their needs, 2) textbooks can be retained and used in the future, 3) students have day 1 access to resources, 4) open textbooks may improve learning outcomes, 5) faculty can collaboratively create stronger resources, and 6) open textbooks enable authentic learning activities like contributing to online resources. The BC Open Textbook Project aims to create 40 free open textbooks for high-enrollment courses in British Columbia.