Explores the history of human origins, highlighting such early humans as Ardipithecus, Homo habilis, Neanderthals, and Homo erectus.

"A celebrated science writer draws upon the most recent discoveries in paleoarchaeology and evolutionary biology to present the seven most important steps leading to Homo sapiens"--

When Arnold wishes he had more information for his family tree, Ms. Frizzle revs up the Magic School Bus and the class zooms back to prehistoric times. First stop: 3.5 billion years ago! There aren't any people around to ask for directions. Luckily Ms. Frizzle has a plan, and the class is right there to watch simple cells become sponges and then fish and dinosaurs, then mammals and early primates and, eventually, modern humans. It's the longest class...

This illustrated book for middle-grade readers looks at the early history of humankind. Even though we'll never outrun a hungry lion or outswim an angry shark, humans are pretty impressive--and we're the most dominant species on the planet. So how exactly did we become "unstoppable"? From learning to make fire and using the stars as guides to cooking meals in microwaves and landing on the moon, prepare to uncover the secrets and superpowers of how...