You can trade books for cash easily by showing an ID and providing your mobile number.
They offer $1.50 for 10 hard cover books.
The manga section is located downstairs.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.