Open eBooks in Cengage Read Download an eBook to read it in Cengage Read. Users must do at least one of these actions to open eBooks in the app: Add eBooks to the dashboard via the Cengage website. Enroll in a Cengage course associated with an eBook. First time only: Tap to download an eBook to your device. When your eBook is downloaded, the button is replaced with Open. Tap Open to access your eBook.