Check whether the book is eligible for sharing
Open Amazon and go to your account settings
Select Content Library or Manage Your Content and Devices
Find the Kindle book you want to share
Choose the sharing option if available
Use Amazon Household to share books with eligible family members
Add the other adult to your Amazon Household
Confirm sharing settings for eligible content
Use Family Library to share selected books with children’s profiles
Send a Kindle book as a gift if sharing is not available
Use the Kindle app or device to lend a loan-eligible book if the option appears
Check regional restrictions and publisher limits
Verify that the recipient has a compatible Amazon account or Kindle device