Are these materials copyrighted?

Written by felix on June 27, 2012
  • All of the FlexBook® textbook materials, except as otherwise noted, are governed by the Creative Commons Attribution/Non-Commercial/Share Alike 3.0 (CC-BY-NC-SA) License (See This is not a standard copyright. Rather, it is a license that allows users to distribute, share, and adapt our open-source material. Users may not use this work for commercial purposes. They may transmit our FlexBook® textbooks under the following conditions:
    • Attribution: When you customize FlexBook® textbook materials, you must attribute the work to the original authors.
    • Noncommercial: You may not use this work for commercial purposes.
    • Share Alike: If you alter, transform, or build upon this work, you may distribute the resulting work only under the same, similar or compatible license.
  • For any reuse or distribution you must make clear to others the license terms of this work. The best way to do this is with a link to the Creative Commons webpage (

Posted Under: