North Pole, South Pole: The Epic Quest to Solve the Great Mystery of Earth's Magnetism by Gillian Turner snow hares are characterized by the boldness

are characterized by the boldness and simplicity of her style

hold heartfelt lessons for future generations

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One of CCBC's Best Books for Kids and Teens

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North Pole, South Pole: The Epic Quest to Solve the Great Mystery of Earth's Magnetism by Gillian Turner snow hares are characterized by the boldnessWhy do compass needles point north but not quite north? What guides the migration of birds, whales, and fish across the world's oceans? How is Earth able to sustain life under an onslaught of solar wind and cosmic radiation? For centuries, the world's great scientists have grappled with these questions, all rooted in the same phenomenon Earth's magnetism. Over 2,000 years after the invention of the compass, Einstein called the source of Earth's