[meeera]

Originally Posted by marp68

So, what's is your opinion about this matter on the device? How do you store the books? Creating some subfolders or just folders for each author but in the same folder? And where on the device do you put the books? I created a folder named Books.

I don't care about directory structure one whit. I create collections in Calibre, and use them to manage my books on the device. I find books I want either by collection or by search.