I have a FlexBook® account, but cannot sign in to the system.

Written by felix on June 27, 2012
  • When you registered on CK-12′s FlexBook® website, we sent an email to the address you gave us. Once your email address is verified, you should then be able to sign in using the user id and password you created.
  • If you can’t find the email we sent you, please check your spam or junk folder.
  • If you continue to have problems, please send an e-mail to support@ck12.org.

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