Create collections in Books on Mac
You can organize items in your library by grouping them in custom collections. A custom collection can include books, audiobooks, and PDFs.
Create a custom collection
In the Books app
on your Mac, choose File > New Collection.Type a name for your collection.
Add books and audiobooks to a custom collection
In the Books app
on your Mac, click All Books in the sidebar.Select one or more items, then drag them to any of the custom collections in the sidebar.
You can also Control-click a book, choose Add to Collection, then choose a collection.
Rename a custom collection
In the Books app
on your Mac, Control-click a collection in the sidebar, choose Rename Collection, then enter a new name.
Delete a collection you created
In the Books app
on your Mac, Control-click a collection in the sidebar, then choose Delete Collection.Deleting a collection doesn’t delete the books or audiobooks in the collection; they’re still in All Books.