Ages 9-12. The Most Exciting Book of Science, Inventions, and Space Ever has a bunch of scientific discoveries that kids aged 8-12 will love to learn about - from the wisest and wackiest inventions the world has ever seen to the adventures of pioneering astronauts, plus all the core information they need to know, such as the periodic table, energy, forces, and matter. Each exciting illustrated adventure is packed with amazing facts and core information to learn about - from why gravity sucks to how the Industrial Revolution was powered. 176 pages hc