America's best-selling field guids now adapted for young naturalists. A guide to the caterpillars beginners are most likely to see throughour North America, featuring: An introduction to discovering caterpillars, with tips for beginning field guide users. Lifelike illustrations for up-close detail. The Peterson Identification System: pointers that show exactly what to look for to tell one species from another. Vibrant color photographs of caterpillars in their natural habitats and illustrations of adult butterflies and moths. Easy-to read text with a clear description of each caterpillar, where and when to find it, and what it feed on.