HomeMouse Count (Paperback) Mouse Count (Paperback) Rate This Item... $6.99Houghton Mifflin Co • In Stock • 46476QuantityHave a question? Chat Live!Add to CartAbout4 - 7 years. Introduce counting early and have fun doing it! Children learn as they count with the many critters highlighted in this set of counting books. Hardback-paperback combination.