; (D) open textbooks created or adapted in partnership with entities within institutions of higher education, including campus bookstores, that will assist in marketing and distribution of the open textbook; and (E) open textbooks that are accessible to students with disabilities. (f) Use of funds An eligible entity that receives a grant under this section shall use the grant funds to carry out any of the following activities to expand the use of open textbooks: (1) Professional development for any faculty and staff members at institutions of higher education, including the search for and review of open textbooks. (2) Creation or adaptation of open textbooks. (3) Development or improvement of supplemental materials and informational resources that are necessary to support the use of open textbooks, including accessible instructional materials for students with disabilities. (4) Research evaluating the efficacy of the use of open textbooks for achieving savings for students and the impact on instruction and student learning outcomes. (g) License For each open textbook, supplemental material, or informational resource created or adapted wholly or in part under this section that constitutes a new copyrightable work, the eligible entity receiving the grant shall release such textbook, material, or resource to the public under a non-exclusive, royalty-free, perpetual, and irrevocable license to exercise any of the rights under copyright conditioned only on the requirement that attribution be given as directed by the copyright owner. (h) Access and distribution The full and complete digital content of each open textbook, supplemental material, or informational resource created or adapted wholly or in part under this section shall be made available free of charge to the public— (1) on an easily accessible and interoperable website, which shall be identified to the Secretary by the eligible entity; (2) in a machine readable, digital format that anyone can directly download, edit with attribution, and redistribute