Lights Out! Living in 24-hour Darkness

What links all of these subjects? The four-month freeze with no sunlight Fingers frozen solid How to build an igloo Simple-they're all Extreme! Lights Out! tells the astonishing story of survival in the world's harshest habitat---the Arctic's icy lands and frozen seas. See how polar bears, musk oxen, and walrus cope with the intense cold, how people live there, too, and why their world may be doomed. Extreme is an action-packed series that brings together incredible tales and secret facts about the most radical things you really want to know---such as how to avoid a shark, survive a snowstorm, or spot the world's most poisonous snake! Discover the fascinating stories behind how things work and why they happen. Book jacket.