Each read-aloud book in the Mouse Math series focuses on a single, basic math concept and features adorable mice, Albert and Wanda, who live in a People House. Entertaining fiction stories capture kids' imaginations as the mice learn about numbers, shapes, sizes and more. Over 3 million copies sold worldwide!

Albert can't wait for his very first day of school. But when Monday arrives, he finds that being at school is a lot different from being at home. Albert is in for a week full of surprises! Every Mouse Math title includes back matter activities that support and extend reading comprehension and math skills, plus free online activities. (Math concept: Days of the Week)