Up in the air! Down on the ground! Under the water! Extreme sports are new, exciting, and dangerous! Learn about extreme sports from aerial ballet to zorbing. Read about the crazy people who love extreme sports. Are extreme sports for you?

Original / American English (Available June 2008) Up in the air! Down on the ground! Under the water! Extreme sports are new, exciting, and dangerous! Learn about extreme sports from aerial ballet to zorbing. Read about the crazy people who love extreme sports. Are extreme sports for you?