You are an experienced mountain climber. Your goal is to reach the top of the world's highest and most dangerous mountains. Will you attempt to: scale Tanzania'

Your survival depends on making the right choices in key moments. Which path to take? Readers use their wits and knowledge in these nonfiction adventures, learn

You're in the middle of one of the most unpredictable natural disasters an earthquake. No place is safe as the ground shudders, shakes, and splits. How will you

You're in the middle of the ocean. The blazing sun beats down on you mercilessly. There's water everywhere but you can't drink it. How will you stay alive until

YOU are a soldier in the U.S. military's elite Special Forces. You have the strength, intelligence, and specialized training to perform the most dangerous, top-