My side project that is (finally!) good enough state to share.
Lore and Quill is book site to discover books via a clean browsable interface so you can quickly see lots of books that can match your tastes.
E.g. Here are books about Business and Technology : https://lorequill.com/books?gg=59&gg=906&fc=nonfic&ac=r
If you find this useful, you can also curate your bookshelf and share it with friends with the same interface.
https://lorequill.com/