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 .

The career path of Nel Yomtov has taken him from the halls of Marvel Comics, as an editor, writer, and colorist, to the world of toy development. He then became editorial and art director at a children's nonfiction book publisher, and now Nel is a writer and editor of books, websites, and comics for children. A harmonica-honking blues enthusiast, Nel lives in New York with his wife, Nancy. They have a son, Jess.