Goodwill Books is, as the name indicates, is the books subdivision of Goodwill Industries of the Columbia Willamette, located in Hillsboro, Oregon. The Goodwill Books website sells used books, movies, and video games to support the greater Goodwill mission. The site is built on the Magento framework in order to deftly handle the massive inventory of over 100k items changing daily. Watermelon integrated this Magento build with a custom third-party inventory management and order fulfillment system. If you are looking for a hard-to-find book at a great price, chances are Goodwill Books will have it.