macOS High Sierra
Get the next book in a series
When you’re close to finishing a book that’s part of a series available in the iBooks Store, a thumbnail of the next book appears with the purchased book in the All Books view of your library.
Get the next book: Click the series stack in the All Books view of your library, then click to buy or download the next book.
See other books in the series: Click All in Series.
Double-click an unpurchased book to see its full description in the iBooks Store.