There are many folks who are so passionate about reading that they simply can’t get enough of it. And iBooks being at their disposal, they purchase tons of their favorite books. As a result, over the time their iPad gets loaded with a huge number of books. If you are also one of them and willing to find out how you can delete the unwanted books in iBooks on iPhone/iPad, here is how you can get rid of them.
Step #1. Launch iBooks app.
Step #2. Tap on My Books from the bottom left corner.
Step #3. Tap on Select from the top right corner.
Step #4. Select the books which you want to delete.
If you tap on Delete, your books are removed from your device but they will still be visible in Purchased from where you can download them again.
If you tap on Delete this copy, they will still be visible there with the iCloud icon. They won’t take space on your device but you can download them from there only instead of going to Purchased.
To read the full article, click here.. How to Delete Books in iBooks App On iPad in iOS 8.