Shy, mostly friendless Kevin couldn't be more annoyed when his parents sign him up for Nature Crew in an attempt to help him become more sociable. One morning, mysterious stones show up at camp and the boys that take them begin acting strangely. Kevin has to make some unlikely friends to save his fellow campers from the stick bug monsters leaving the stones. Aligned to Common Core standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.