What is an Open Textbook?

The following is a revised version of What is an Open Textbook? by Christina Hendricks: 

An open textbook is like a commercial textbook, except: (1) it is publicly available online free of charge (and at low-cost in print), and (2) it has an open license that allows others to reuse it, download and revise it, and redistribute it. For example, this guide has a Creative Commons Attribution license, which allows reuse, revision, and redistribution so long as the original creator is attributed.

In addition to saving students money, an open textbook can be revised to be better contextualized to one’s own teaching. In a recent study of undergraduate students in an introductory level physics course, students reported that the thing they most appreciated about the open textbook used in that course was that it was customized to fit the course, followed very closely by the fact that it was free of cost (Hendricks, Reinsberg, and Rieger 2017). For example, in an open textbook one may add in examples more relevant to one’s own context or the topic of a course, or embedded slides, videos, or other resources.

A number of commercial publishers offer relatively inexpensive digital textbooks (whether on their own or available through an access code that students must pay to purchase), but these may have certain limitations and other issues:

  • Access for students is often limited to a short period of time;
  • Students cannot buy used copies from others, nor sell their own copies to others, to save money;
  • Depending on the platform, there may be limits to how students can interact with and take notes on the books (and they may not be able to export their notes outside the book, so lose access to those as well when they lose access to the book).

None of these is the case with open textbooks. Students can download any book and keep it for as long as they wish. They can interact with it in multiple formats: on the web; as editable word processing formats; offline as PDF, EPUB; as a physical print book, and more.


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The University of Regina OER by Subject Directory by University of Regina is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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