The Stores Handbook from Cawood Publishing, one of 26 bestselling 5E products.
Another practical handbook for Dungeon Masters. There are many useful items in the Players Handbook and the Dungeon Master's Guide. This book introduces those items naturally into your game. It is a detailed collection of 56 different stores. There are descriptions of the stores, lists of prices, details about the staff and customers, and more.
This 76-page book includes:
magic items stores
a music store