mountain ranges

For two decades, racers have gathered in southeastern France to begin a demanding footrace that takes them through three countries. Along the way, they have to conquer the tricky terrain of one of Europe's most imposing mountains. This title introduces readers to one of the most unique trail races in the world-and the competitors who have pushed themselves to the limit to complete the course. The title features informative sidebars, exciting photos, a map, a glossary, and an index.

The best mountain bikers on earth gather in Alberta, Canada, every summer to begin one of the biggest challenges their sport has to offer. This title introduces readers to a 2,745-mile (4,418-km) race that takes athletes along North America's Continental Divide before finally ending at the United States-Mexico border. The title features informative sidebars, exciting photos, a map, a glossary, and an index.