what a very well made game !!
it's a very smart take on the theme . the sfx , the visuals and the relaxing background music all are amazing .
it took me a while to exactly understand what I was supposed to do , so maybe adding a small tutorial would help ( I was dumb to the point I didn't know if I should sort the books from the higher values to the lower ? or the other way around XD ) , but anyway I really had a great time .
and as someone else pointed out it was really hard to notice some info like the series order .
Iam really amazed by how polished this game is . overall a really great submission !!