To share/copy photos from one Chatbook to another Chatbook:
How-to for iOS:
Tap on the book from which you would like to copy photos
Tap on "Select & rearrange" below the book title
Select the photos you want to copy over by tapping on them individually
Tap "Copy to" at the bottom of the screen
Follow the on-screen instructions to select which Chatbook you would like photos copied to
Your photos will now be in your Chatbook of choice
How-to for Android:
Tap into the book you'd like to share photos from
Tap and hold down on a photo
Select the images you'd like to copy
At the bottom scroll to find "Copy To" and tap it
Select which book you'd like to add it to: New, Existing or Subscription book
Follow the on-screen instructions to select which Chatbook you would like photos copied to
Your photos will now be in your Chatbook of choice
Additionally, the videos below will walk you through the step-by-step process of sharing photos between Chatbooks for both iOS and Android devices:
iOS:
Android:
To learn how to share photos from one Chatbook to another from Chatbooks.com, see here.