"This book introduces readers to the science behind migration. Students learn about the hunger and nesting factors that motivate birds to fly south for the winter and north for the summer" --

"The story of an arctic tern's first migration to the South Pole and back again"-- "In their thirty-year lifetimes, Arctic Terns travel nearly 1.5 million miles, that's enough to fly to the Moon and back three times! Each year they brave blistering winds, storms, rough seas, and airborne predators as they travel between the Earth's poles, chasing the summer. In The Longest Journey: An Arctic Tern's Migration, we follow one such bird as it spreads...