“Like the best of Pixar's output, it manages to be entertaining for people of all ages; so all-encompassing is its content that it is both an interesting source of facts for kids and, as Alexander Armstrong writes in his introduction, "an arsenal against future questions from the back of the car" ... Necessary reading for all ages.”──每日電訊報,四顆星
“An invaluable spur to asking questions and thinking about answers.”──衛報
“Certain to give you pause about much of what you thought you knew, or at the very least rekindle that childlike curiosity about and awe at the basic fabric of the world we live in.” ──熱門閱讀網站(Brainpickings.org)
“Harris has assembled a roster of experts - some celebrities, some not, all eminent in their fields - to provide succinct, accurate replies to the sort of head-scratchers that parents and teachers regularly find themselves presented with by children of primary school age and often struggle to answer. it works a treat.”──金融時報