The world's biggest bike ride. 1 week. 115 degrees. 500 miles. 15,000 riders. One very important lesson. RUMBLE YELL is the hilarious new book about RAGBRAI(r). Finally enthusiasts, armchair cyclists, and adventure widows can live the full experience. No sweat. No lube. Just laughs. The rollicking, true story of two men rekindling an old friendship after twenty years. Foolishly, they choose to reconnect over a hometown tradition that just happens...