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CK-12 is new and improved...

The FlexBook® you are looking for has moved.

We have recently upgraded to a newer version of our FlexBook® textbook Platform®. The new platform is equipped with many new features.

We are currently in the process of transferring the content to the new system. In the meantime, some content may not be immediately available.

How to transfer your content

For quicker access to your content, please log in and follow the instructions to begin the transfer of your content.


Contact support for more assistance.

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