I am not sure if people know about $5 Million that was placed in the Federal 2018 Fiscal Year Omnibus Bill for Open Textbooks. Congress funded a $5 million open textbook grant program in the Fiscal Year 2018 omnibus bill, the result of extensive advocacy by SPARC and our coalition partners. SPARC is a global coalition committed to making Open the default for research and education. SPARC empowers people to solve big problems and make new discoveries through the adoption of policies and practices that advance Open Access, Open Data, and Open Education.
Here is the link $5M Open Textbook Grant Program Funded by Congress in FY18 Omnibus