Download Safari eBook/chapters - Mobile Download Only!
Safari only allows to download to mobile devices.
Answer
At this time, Safari does not have the option to download to your laptop, desktop, or non-listed devices.
Safari allows all downloads only to mobile devices through Safari's (O'Reilly) App for iOS, Android, and Kindle Fire.
With the app, below, you can download to your mobile devices for offline viewing as many books and videos as your mobile device can hold. You can download the app from here -
For more information, please visit this URL: https://www.oreilly.com/online-learning/apps.html “