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Zero textbook cost means that students do not incur any costs for purchasing course material. However, zero-cost to the students does not guarantee zero cost to the institution, ie. subscription databases, library equipment loans. To create a course that is at zero-cost to students, course instructors can use many platforms including Open Educational Resources; Open Access, Creative Commons, and public domain materials; along with resources owned or licensed by the Library.


OER are free learning materials that are licensed, often under a Creative Commons license, to allows users to retain copies of OER content, as well as reuse, revise, remix and redistribute the content. OERs include textbooks, videos, tests, entire courses, course modules, and syllabi. View open educational resources including repositories, textbooks, and courses in your discipline, visit our Skyline Library Open Educational Resources (OER) by Subject Guide.

Open Access allows users to have immediate, unrestricted, digital access to content published under that OA license.

Public Domain works may be used without seeking the copyright holder’s permission or paying a license fee because the content owner's exclusive intellectual property rights to that content may have been expired, forfeited, waived, and/or deemed inapplicable.

Skyline Library digital resources are available to enrolled Skyline students and employees free of cost. Subscription and purchased electronic resources may include eBooks, journals and articles, media, and other digital materials available through the Skyline Library. Explore available library electronic resources for your course in our Library eBook Databases (OneLogin authentication required):

Creative Commons License  Unless otherwise noted, content on this webpage is licensed under CC BY 4.0.