Originally Posted by WS64
Not sure. I have a very large library, but I have ordered my folders like /k/Stephen King/books, so each folder just has a few books in it. Browsing through the folders is fast, and yes, the thumbnails will be redrawn every time, but I do not notice any delay.
I have to correct myself.
The Frontlight keeps the thumbnails for the books on SD card and just reads them again next time you need them.
So browing a directory is slow once, fast the next times.
It stores them on the SD card btw.