This series is designed to help children practice and master a variety of skills, including beginning math, penmanship, reading comprehension, and much more. These books can be used to enrich learning, reinforce skills, and provide extra practice. The compact size (7" x 9") allows the books to fit easily in childrens hands and backpacks. Grades - 1 Weight - 0.31 Depth - 7.00 Width - 9.00