Kids often spot woolly bear caterpillars creeping across the ground in fall, but these furry-looking creatures seem to disappear as quicklyas they pop up. Where do they come from in autumn, and where do theygo? In fact, they live throughout North America all year long. In vividstorytelling style, Laurence Pringle uncovers the secret life of the woollybear caterpillar, following one caterpillar as she feasts, tiny and hidden, inthe tall summer grass;...