The definitive and stunningly illustrated question and answer book from Britannica, with answers to more than 100 questions that kids really want to know. Why do elephants have trunks? Why are clouds different shapes? Why does popcorn pop? Why does my tummy rumble? Why do we flush the toilet? This magnificent book features chapters on Bugs, Pets, Wild Animals, the Body, Food, Machines and Space and also includes some of the mysteries which experts are still trying to solve! By encouraging children to question how the world works, Britannica First Big Book of Why supports STEAM learning and nurtures enquiring minds. With stunning photography and gorgeous original illustrations by Kate Slater, this is the ultimate gift for kids who need to know WHY.

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"The perfect resource for curious kids (and their bamboozled parents), Britannica First Big Book of Why answers all those essential questions about the world around us in a fun, vibrant way."

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"With clear and accessible explanations, diagrams, photography, Kate Slater’s stunning illustrations, intriguing picture puzzles, wacky facts, and an exploration of some of the world’s still unsolved mysteries, this brilliantly conceived and created book is the ideal food to nurture enquiring minds and instil an appetite for learning in the years to come."

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"A vibrant, authoritative bumper question and answer book … you'll learn as many eye-opening facts as the kids."

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"This engaging book is sure to be a HUGE hit … Britannica First Big Book of Why is a fantastic example of non-fiction with all the text features children learn in their early years at school."