B. Dalton Bookseller (often called B. Dalton or B. Dalton's) was an American retail bookstore chain founded in 1966 by Bruce Dayton, a member of the same family that operated the Dayton's department store chain. B. Dalton expanded to become the largest retailer of hardcover books in the United States, with 798 stores at the peak of the chain's success. Located primarily at indoor shopping malls, B. Dalton competed primarily with Waldenbooks. Barnes & Noble acquired the chain from Dayton's in 1987 and continued to operate it until a late 2009 announcement that the last 50 stores would be liquidated by January 2010.