news.yahoo.com — "Sneaker Wars: The Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sport" (HarperCollins. 400 pages. $26.95), by Barbara Smit: Family feud hardly described the bitter relationship between Adi and Rudi Dassler, two German brothers who started the Adidas shoe company in their mother's laundry room.