Cover page can not be displayed

I do fully agree. With high hopes I installed the 13.4 and 10.15.4 updates across all regarding devices, just to be disappointed again, because the problem persists.

The worst part: If one of the devices gets low on free storage the book cover cache of the Book apps will be purged. If subsequently more storage is freed again, the missing covers won't be replaced.

Manually deleting and re-adding the books one at a time is user hostile.

I have the same problem. Apple should fix this! Unfortunately, this is a very troublesome problem. By the way, it would be nice if they added to the functionality what Kindle has, i.e. the amount of time left to complete the chapter. :)

This almost worked for me. I'm on a iMac. The cover looks good on my iPad but the apple generated cover is what shows in iBooks on my Mac. Which isn't a big deal as I do most of my reading on the iPad. Hopefully apple will fix this glitch soon.

They never will. There’s no reason to do it. Just to make us happy isn’t good enough a reason for them to spend the time and effort. Also they are trying really really hard to transition into services, but keep stumbling. So why bother? Stuff we buy from them will load just fine. It’s stuff from other sources that won’t work. So, the math is very simple.

I wholeheartedly disagree. Most ebooks take up very little storage and it is very useful to keep them around for reference, especially if you don't read fiction at all. I have a lot of design and programming related books, which you rarely read cover to cover. I also keep business and popular science (cognitive psychology, perception etc.) books in Apple Books and find myself often browsing the library.

I am a very visual person and the covers are a huge help to remember what excerpts I read and what other chapters I saw when skimming and browsing the table of contents.

Despite my book collection being smaller than 2000 it is still large enough to not justify a manual import one book at a time. I still invested the endless hours doing exactly this in December, because this bug annoyed me that much. However, after a recent reboot of my iPhone the entire library's cover art got removed again, didn't reload properly and now half of the books again show only the generic covers, which are useless to me.

Lame workarounds don't merit marking a problem "Solved". This one is far from solved.

What I don't understand is why this is not necessarily consistently a problem.

I think it's possible that deleting and replacing with updated "previews"shared among devices of an ePUB could somehow be related.

I was hoping the issue was solved with the latest update but no, still annoying AF and Apple doesn't give a sh*t about all the complaints, probably they're just too focused on providing a better gaming experience because that brings more revenues.

I tried this, but I cannot get the book to open in iBooks on my phone or pad so that they are added to that library

That works! Thank you so much!

This worked perfectly, thank you so much.

Thank you so much! This was really annoying me.

Yeah, you have right! Tell this to apple. Maybe they can just fix it?