"On May 6, 1996, dozens of excited climbers set off to scale Mount Everest and to reach the tallest point on Earth. On the morning of May 10, the skies were clear. The summit was in sight. But hours later, a terrible storm hit. Eight climbers died as they became trapped near the peak. What went wrong, and how did the survivors manage to make it back alive? Told through the gripping, full-color graphic novel format, this Deadly Expeditions tale transports...

Photographs and simple text describe gases.

"Percy Fawcett was a mapmaker and an adventurer. In the early 1900s, he spent years mapping out the jungles of South America. Fawcett became obsessed with the idea of a lost city of gold hidden deep in the jungle. At the age of 57, Fawcett, his 21-year-old son Jack, and Jack's friend Raleigh Rimell left on a quest to find the Lost City of Z. The three men were never heard from again. Untangle the clues they left behind"--Provided by the publisher....