FREE CK-12 Digital Textbooks - Middle School/HighSchool

I found these Digital Textbooks are FREE on Amazon. There are over 50 textbooks to choose from and most have some really good reviews. You can download them for your kindle, kindle app, or kindle for PC. The teachers manuals are also available!!

The titles include:

Science:
CK-12 Earth Science for Middle School


CK-12 Earth Science Honors for Middle School


CK-12 Life Science for Middle School


CK-12 Earth Science for High School


CK-12 Biology


CK-12 Biology Workbook


CK-12 Biology Teacher's Edition


CK-12 Biology I Honors


CK-12 Human Biology - Digestion and Nutrition


CK-12 Human Biology - Breathing


CK-12 Human Biology - Sexuality


CK-12 Human Biology - Genetics


CK-12 Human Biology - Your Changing Body


CK-12 Human Biology - Lives of Cells


CK-12 Human Biology - Nervous System


Ck-12 Human Biology - Ecology


CK-12 Human Biology - Circulation


CK-12 Human Biology - Reproduction


CK-12 Chemistry


CK-12 Chemistry 2nd edition


CK-12 Basic Physics 2nd edition



CK-12 21st Century Physics: A Compilation of Contemporary and Emerging Technologies


CK-12 NanoSense Student Materials


CK-12 Nanosense Teacher Materials


CK-12 Nanoleap Teacher Guide


Math:
CK-12 Middle School Math Grade 6, Volume 1 Of 2


CK-12 Middle School Math Grade 6, Volume 2 Of 2


CK-12 Middle School Math Grade 7, Volume 1 Of 2



CK-12 Middle School Math Grade 7, Volume 2 Of 2


CK-12 Basic Algebra Volume 1 of 2


CK-12 Basic Algebra Volume 2 of 2


CK-12 Algebra I


CK-12 Algebra I - Teacher's Edition



CK-12 Algebra I - Second Edition, Volume 1 Of 2


CK-12 Algebra I - Second Edition, Volume 2 Of 2


CK-12 Calculus


CK-12 Geometry


CK-12 Basic Geometry Volume 1 of 2


CK-12 Basic Geometry Volume 2 of 2


CK-12 Geometry - Second Edition, Volume 1 Of 2


CK-12 Trigonometry


CK-12 Probability and Statistics - Basic (a Short Course)


CK-12 Advanced Probability and Statistics


CK-12 Probability and Statistics - Advanced (Second Edition), Volume 1 Of 2


CK-12 Probability and Statistics - Advanced (Second Edition), Volume 2 Of 2


CK-12 Math Analysis



CK-12 Physics - from Stargazers to Starships


CK-12 Engineering: An Introduction for High School




History:
US History Sourcebook - basic


US History Sourcebook - advanced



SAT Prep:
SAT Prep FlexBook I (Questions and Answer Key)


SAT Prep FlexBook II (Questions and Answer Key)


SAT Prep FlexBook III(Questions and Answer Key)


CK-12 Commonsense Composition