1998 - A Shark Never Sleeps Wheeling and Dealing with the Nfl's Most Ruthless Agent (Paperback) ISBN-13: 9780671015268 ISBN-10: 0671015265 Genre: Sports & Outdoors 1 1997 - A Shark Never Sleeps (Hardcover) ISBN-13: 9780671015251 ISBN-10: 0671015257 Genres: Biographies & Memoirs, Sports & Outdoors, Crafts, Hobbies & Home ? |