If the code inside your book is scratched, damaged, or hard to read, our support team is here to help you.

To fix the issue quickly, please fill out this form to contact us and include the following:

• A photo of the damaged code
• A photo of the ISBN printed on the book (the number on the back cover, below the barcode that starts with 978)
• A copy of the proof of purchase (receipt).

After you send us this information, our team will reply with the next steps.