This book is part of a book series called Essential Library Of Inventions .

This book has been graded for interest at 11-17 years.

This book was published 2015 by Essential Library .

Laura Perdew is an author, writing consultant, and former middle school teacher. She has written more than 15 books for the education market on a wide range of subjects, including the animal rights movement, the history of the toilet, eating local, and the Great Pacific Garbage Patch. She is a long-time member of the Society of Children's Book Authors and Illustrators. Laura lives in Boulder, Colorado. Tom Casteel is an illustrator and cartoonist with a master's degree from the Center for Cartoon Studies. Tom has illustrated several books for Nomad Press, including The Brain: Journey Through the Universe Inside Your Head; Cities: Discover How They Work; and Human Migration: Investigate the Global Journey of Humankind. Tom lives in South Bend, Indiana.