This is expected behavior. Your eBook is available in multiple formats, and all available formats are linked from your dashboard. Each format has the same content, but your notes and bookmarks do not transfer across formats.
You can identify the format of your eBook by its title:
- eTextbook: Title
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Example: eTextbook: Calculus
A reflowable eBook that adapts to fit different devices.
This format provides the most accessible experience for people using assistive technology and conforms to ePUB industry standards.
This format is also used in Cengage Read, so notes and bookmarks you add in your browser will sync with your mobile device.
- eBook: Title
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Example: eBook: Calculus
A PDF offered for some older titles.
This format is also used in Cengage Read, so notes and bookmarks you add in your browser will sync with your mobile device.
- eBook for Title
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Example: eBook for Calculus
A Cengage-created format embedded in some MindTap courses.