Open Source Textbooks and Stuff by Andrea Gilbreth

A friend of mine, Andrea Gilbreth-Tuscaloosa, AL City Schools, recently shared the links below for open source textbooks and stuff.  I thought they were worth posting.  I hope you agree.

OER commons: http://www.oercommons.org/

PreK-6 reading stuff: http://www.freereading.net/index.php?title=Main_Page

K-12 open source classes http://www.curriki.org/  (kind of new and still growing)

flexbooks:  http://www.ck12.org/flexbook/

Free high school science books:  http://www.fhsst.org/

Math open reference (junior & high)  http://www.mathopenref.com/

The Orange Grove Florida open source books: http://www.theorangegrove.org/

Kansas open education resources:  http://www.ksde.org/Default.aspx?tabid=4995

Open library:  http://openlibrary.org/

Wikibooks is worth looking through:  http://en.wikibooks.org/wiki/Main_Page

Information about California's open source textbook project: http://www.opensourcetext.org/index.htm

and the text books online:  http://www.clrn.org/fdti/

Free IT books:  http://bookboon.com/en/textbooks