or music and apparel that was available at the competitor across the street, but Kramer said he and his staff used their location and attraction to their benefit. Marwil’s inventory included new and used trade textbooks, art books, professional and technical books and magazines. The limited inventory prevented Marwil from being able to survive financially in the face of stiffer competition and eventually led to its closing for good. See also References External links Commercial buildings in Detroit Independent bookstores of the United States American companies disestablished in 2013 Wayne State University American companies established in 1948