Louie Sakoda

With the free CK-12 FlexBook® app for smartphones and tablets, users have the power to read the entire collection of CK-12 FlexBook® textbooks anytime, anywhere, even without online connectivity. You can sync your FlexBooks® across all devices/ platforms for your classroom, for the self-learner, homeschool teaching, etc. ---- CK-12 Foundation is a non-profit organization dedicated to increasing...