“How do planes stay in the air?” “How do the words you type into the computer get to Uncle Joe’s computer?” Curious kids ask a lot of questions. Questions that parents can’t always answer – unless they’ve read through this easy-to-understand (and comprehensive) book by David Macaulay. Using jokes, humorous illustrations, and a wooly mammoth, this award-winning author-illustrator unlocks the mysteries of technology. The child (and their parents) can learn about the world of machines and physics f...more