noun
secondhand bookshop; used bookstore
Refers to a shop that sells used books. Can also refer to the bookseller themselves in context.
駅前の古本屋で珍しい小説を見つけた。
I found a rare novel at the secondhand bookshop in front of the station.
Compound of 古本 (ふるほん, 'secondhand book') and 屋 (や, 'shop' or 'seller').