First Big Book of How: How do polar bears keep war Dana Mattioli Step into the timeless style

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A Publishers Weekly Best Book of the Year

With more dazzling worlds to explore through chapters like The Land of Gnomes and Woodland Fairies

First Big Book of How: How do polar bears keep war Dana Mattioli Step into the timeless styleA compendious and stunningly illustrated fact filled book for children who have endless questions about how the world works. How do scientists see into space? How do polar bears keep warm? How do keys open locks? How do fireworks explode? Featuring more than 150 compelling questions about space, Earth, machines, buildings, animals, and the human body, this magnificent book by the author and illustrator team behind the bestselling First Big Book of Why