Summer with Seuss Workbook: Grades K-1 This week-by-week Summer workbook will have your little one ready for 1st grade with the help of beloved characters like Cat in the Hat, the Lorax, and Horton. Organized in weekly units, kids will puzzle, play and explore essential skills through engaging activities that reinforce the critical skills learned in kindergarten and preview the upcoming 1st grade year. Activities and puzzles will reinforce math, english/language arts, science and more! Paperback, 160 pages. Recommended for ages 3-7 years old.