Causes of this error:
Redemption code has already been used.
- The code has already been redeemed using a different email address.
- You purchased a used Textbook with a scratched off redemption code. Codes are non transferrable and can only be used once.
Redemption code is not valid. VitalSource Bookshelf codes will contain EXACTLY 20 mixed letters and numbers
- It is not a VitalSource Bookshelf code. Please refer to the instructions you received with your code.
- Code was typed incorrectly
- Code is not assigned to an eTextbook (Please call support for further assistants)