Download |work| Epub From Apple Books -

: These files can typically only be read within the Apple Books app on authorized Apple devices.

Apple sometimes stores EPUBs as "zipped" folders rather than single files, which can cause errors in software like Calibre.

To move files out of the Apple ecosystem, you must first ensure they are downloaded locally to your Mac. : Launch Apple Books on your Mac.

: Click on Library in the sidebar. Titles with an iCloud icon are in the cloud but not yet on your device.