I "bought" a free book on iBooks Store, the book is on my iCloud.
Now I would to remove it, but I cannot find a way to do it.
On a Mac, open the iBooks app.
Go to the iBooks Store (left of the toolbar, at the top).
On the right-hand-side, in the Quick Links list, click the Purchased link.
Books will appear; find the one you want to remove and hover your mouse over the cover.
A little 'x' will appear; click it to remove the book.
The book will no longer come up in iBooks (or any other locations), no matter whether you have set iBooks to show or hide iCloud items.
Under iOS, it is possible to achieve the same thing according to this page
- Open the iBooks app.
- Tap "My Books" at the bottom of the screen.
- Tap "All Books" in the middle of the upper bar.
- Switch on "Hide iCloud Books" at the bottom of the screen.
That's it !
First, delete the local copy by selecting it and pressing
delete and then confirming by pressing the "Delete" button in the confirmation dialog.
Now if the book is displaying with the iCloud icon you can hide the iCloud purchases, by clicking on the "Sort By" menu and making sure "Show Purchases in iCloud" is unchecked. If that was already unchecked, then the book's icon will simply disappear.
For iOS, what worked for me was: ibooks / library / choose the view=pdf's or books (note that pdf are always downloaded but books can be in app store aka cloud only) / click button on right 'select' / choose one or more books to remove / click 'delete' / choose the kind of deletion. I choosed keep in cloud and just remove the download. This just saved me almost a GB.