Scenario: you're sitting in a raft on a fast-flowing river. There are cameras on the banks of the river. You're wired for sound. Ahead you can hear the sound of white water. Rapids? No. It's a waterfall! Welcome to The Xtreme World of Billy Kool.
In the new 'Xtreme' series, the adventure moves from the backyard to an extreme sports television program. Each book in the series features a different extreme sport.
