Hanging out at the edge of the world at the edge of a mountain ridge is just another day for expreme adventurer Gregg Treinish. From the top of the Appalachian Trail to the very bottom of South America, Gregg is on a quest for adventure. Join Gregg as he treks across the Americas, faces the (almost) impossible, and learns how to make the world a better place in the process.

Includes index.

Endless adventure -- Three seconds of courage -- Danger on the mountain.