This book is part of a book series called Pebble Plus-Military Machines .

This book has been graded for interest at 4-8 years.

There are 24 pages in this book. This book was published 2012 by Capstone Press .

Melissa Abramovitz is the author of hundreds of magazine articles, more than 30 educational books for children and teenagers, numerous poems and short stories, and several children's picture books. She is a graduate of the University of California San Diego. Visit her website at www. melissaabramovitz. com