CK12.org - FlexBooks - customizable, free, curriculum-aligned content | Web 2.0 for Education | Scoop.it

CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. This website provides access to the books currently available as well as some study guides. The content is STEM. 


Via Beth Dichter