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®. 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 to be the world's biggest bike ride. 500 miles of biking during the hottest week of the year-humidity 100%, bugs 1000%-seemed like the ideal way to 'get to know you' again. Their plans are waylaid by a last-minute addition: an outrageous, mysterious sailor named Cheek. His presence is not only intrusive, but utterly disastrous.