Grace Lin, celebrated author of children’s picture books and grade school books such as the Caldecott honor A Big Mooncake for Little Star and the Newbery honor Where the Mountain Meets the Moon has written and illustrated a quartet of board books in the Storytelling Math board books series. These books not only have great stories with diverse characters, but they also introduce your youngest readers to math concepts such as measurement, geometry, spatial sense, numbers, counting, and shapes.

What Will Fit? 

Up to My Knees!