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! Today is the day—Albert's very first trip to the People Kitchen! With help from his big sister, Wanda, Albert will hunt for all kinds of crumbs, treats, and goodies. But first he has to find a hiding place from the cat! Every Mouse Math title includes back matter activities that support and extend reading comprehension and math skills, plus free online activities. (Math concept: One-to-One Correspondence)