The big amount of text is a big no no for many people. It could make them run away.
it is a good idea for an idle game, where you buy more monkes, then you train them, then you buy monkes to train them, and train them to train monkes, and you sell more and more books, and you still pick up ideas, but you train monkeys to do it for you
The principal idea is good, but the mechanic is repetitive and slow.