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April 2012
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Quick Links
CK-12 Books now in Google Play 
CK-12 foundation now has over 25 books available on Google Play!  Accessing books through Google Play allows you to view the contents on several different devices as well as in web browsers.  As always, these CK-12 books are free.  Click here to view all available CK-12 titles, or go to and search for "CK-12".

Click here to learn more about how books work on Google Play. 
New this month!

New titles now available for iPad, Kindle, NOOK and others!  CK-12 is continuing to increase the number of titles available for the various devices that schools and students are using.  Click the appropriate link below to explore the latest and greatest available FlexBooks.   
  • Click here to download epub files that can be loaded onto iPads, NOOKs and Android devices.
  • Click here to download files that can be loaded onto the Kindle.
  • Click here to access books in Google Play. 
Coming Soon...

Titles coming soon to the CK-12 library:
  • CK-12 Algebra II w/Trig (the first six chapters)
  • CK-12 Math 6 Teacher's Edition including:
    • Teaching Tips
    • Common Errors
    • Differentiated Instruction
    • Enrichment and Problem Solving
  • CK-12 Math 6 Teacher's Edition - Assessment and Assessment Answer Key  
  • CK-12 Physical Science For Middle School
Points of Interest

Calling all pilots...CK-12 is looking for schools who are already conducting pilot studies with our materials.  If you are currently formally exploring CK-12 materials, please complete this survey to tell us more about your experience.

CK-12 is seeking translations...CK-12 is looking to expand its library with translations of its content.  If you have translated our books (in part or in whole), or adapted your own, please let us know.  We are especially interested in Spanish versions of our Biology textbook.  Email:

Understanding Biodiversity - collaborative project...CK-12 Foundation and Encyclopedia of Life are joining forces to produce Understanding Biodiversity - a FlexBook for secondary level students, created by secondary level students.  Understanding Biodiversity will consist of species pages describing organisms studied in the life sciences.  Secondary level biology students and classes around the world are invited to learn more about how to contribute by emailing with "[SCIENCE] Understanding Biodiversity proposal" in the subject line.  For more general information about this project, visit the Understanding Biodiversity FlexBook.
CK-12 is Hiring!

CK-12 is seeking highly motivated individuals to become part of a team set to revolutionize K-12 global learning and textbook publishing.


Through the use of a superior open-source environment, CK-12 aims to create a major paradigm shift from traditional textbook learning and publishing to collaborative online learning and customized textbook publishing designed to foster greater relevance and resonance among teachers, students, and communities.


Visit our jobs page for a list of current openings.