This illustrated and STEM-oriented exploration of the planet’s 50 most interesting inventions and scientific discoveries sends middle-grade readers on an unforgettable trip around the planet and across time. Each spread focuses on a world-changing technology and how it led to or influenced the tech or discovery on the next page. Starting with the very first invention, fire, readers will s…
This Big Fat Notebook covers everything you need to know during a year of high school chemistry class, breaking down one big bad subject into accessible units. Learn to study better and get better grades using mnemonic devices, definitions, diagrams, educational doodles, and quizzes to recap it all.
QUICK: Name the most powerful and complex supercomputer ever built. Give up? Here’s a hint: It’s housed in your head and it’s the one thing that makes you YOU. Your brain is mission control for the rest of your body and steers you through life. Not bad for something the size of a softball that looks like a wrinkled grey sponge! In this fascinating, interactive book -- a companion to th…