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eBook FAQ


Q: What are the system requirements?
A: Desktop/laptop computer: Adobe Digital Editions is a free software required to view our eBooks on Windows or Mac OSX. Please ensure your computer is compatible by checking here. You can download the most recent version of ADE here.
Mobile device/tablet: Our eBooks are also viewable on iOS and Android devices. If you are viewing on a mobile device, you will need the free Adobe Digital Editions app.

Q: Are your eBooks compatible with my particular device?
A: Our eBooks are delivered in PDF or EPUB format and are compatible with readers that can use Adobe Digital Editions. Please refer to your device's user manual to verify compatibility.

Q: Can I use my eBook on multiple devices?
A: Our eBooks can only be licensed to a single device, so please follow the download instructions carefully to ensure a successful download to the single device of your choice.

Q: Are your eBooks copy-protected?
A: Yes, we use Adobe Content Servers for DRM to copy-protect our PDFs and EPUBs.

Q: Can I print my eBook?
A: Currently, printing of eBooks is not permitted. This also applies to our physical books, which cannot be scanned and reprinted.

Q: I need additional technical support, who should I contact?
A: Please send an email to our eBook support team; ebooks@optp.com. In your email, please include the following:

  • The device, specific operating system you are using, and viewing application (desktop/tablet, Windows/Mac, Android/iOS, Adobe Digital Editions/DL Reader, etc.)
  • An detailed explanation of the issues you are encountering
  • Your phone number so that we are able to call you if needed  

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