The product is a brand new, pristine paperback copy of the book "Caterpillars" from the Peterson Field Guides: Young Naturalists series. Published by HarperCollins in 2000, this book features illustrations by the authors Amy Bartlett Wright and Karen Stray Nolting. It is a reference book focusing on caterpillars, part of the Animals / Butterflies, Moths & Caterpillars topic. With a compact size of 8.5 x 5 inches and 48 pages, this book is perfect for any age naturalist interested in learning more about these fascinating creatures.