Join Max and his cousin Sara as they discover doubles in unexpected places—including four-leaf clovers and hairy eight-legged spiders! Covers the math concepts and skills that students are expected to master during second grade, moving through the math curriculum and using practical examples of how people use math in the real world. Grades 2 and up, 24 pages each, full-color photographs, paperback. Save $1 per book when ordering 10 or more copies.