Jasper Fforde created a world within books. That is so attractive to book readers like me. Given, the classical books readers might like it even more.
Paul Auster on book and writer is really good.
There are probably more, so this list might get longer.
Portable atheists barely qualified as it is more about what to read than anything else.
Two more books should qualify as they are also about books and people asking for books. Weird things customers said in bookstores.