#1 Bestseller in US, UK, Canada.A fully illustrated WHY encyclopedia for curious kids who want to see how the world works. Do your kids ask endless WHY questions about science, space, animals, history, nature, the human body, technology, and everyday life?Most children’s WHY books give short answers, tiny pictures, or long walls of text. This one is different. Professor Poppy’s Fully Illustrated 100,000 WHY Encyclopedia turns big questions into visual answers children can actually see, understan...