Book World Inc. With 45 stores across seven states including Manitowoc announced today that it will close all- of- its stores. A news release cites the popularity of online shopping and less people shopping inside its “brick and mortar stores. The first book world store opened in Rhinelander in 1976 and is currently the fourth largest book store chain in the USA.  Liquidation sale begins Thursday and will run until all inventory is sold.  Customers can continue to shop online. Visit bookworldstore.com. For more information.