Business practices by publishers and booksellers also differentiate mass-market paperbacks from hardbacks. The move was supported by publishers and booksellers. Bookstore partners included Powell's, Alibris and participating members of the American Booksellers Association. Springer was from 1867 to 1873 president of the German Booksellers and Publishers Association. Each panel comprises five judges, including writers, librarians, booksellers, and literary critics. Resist the hype, parents, booksellers and librarians. Incorporated is a list of online marketplaces to which numerous small independent booksellers belong. It established a pragmatic bargain involving authors, the booksellers and the public. It won the Independent Mystery Booksellers Association 2004 Dilys Award. Barnes & Noble Booksellers purchased Babbage's Etc. The book was a finalist for the Mountains and Plains Booksellers Award. The Canadian chain of booksellers Indigo refused to sell the issue. The website will avoid competing with these booksellers. "Mystic River" won the 2002 Dilys Award presented by the Independent Mystery Booksellers Association. "Darkly Dreaming Dexter" won the 2005 Dilys Award presented by the Independent Mystery Booksellers Association.