How to Customize a FlexBook® Textbook or Read Modality

CK-12 FlexBook® textbooks are fully customizable with the provided editing tools. 

To make a copy of a FlexBook® textbook:

  1. Sign in to CK-12.
  2. Go to the FlexBook® textbook to customize.
  3. Click Customize on the left side menu.
  4. Click and drag chapters to reorder.
  5. Add a title.
  6. Click on Details to enter a description and author name(s).
  7. Click Save Changes, the FlexBook® textbook will be saved to Library.


To add new chapters or CK-12 content to your FlexBook® textbook:

  1. Go to the Table of Contents of your FlexBook® textbook.
  2. Click Edit on the left menu.
  3. Click Add Content on the left menu.


To add videos, images, and text to your FlexBook® textbook:

  1. Go to a section of your FlexBook® textbook.
  2. Click Edit on the left menu.
  3. Use the editing tools to add videos, images, and edit text.

Related Materials

FlexBook Textbook and Modality Customization

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