A boy and his dog present amusing counting, size comparison, and mathematical facts.

Counting on Frank, our best-selling title, has inspired countless students to get excited about math. Readers follow along as Frank, an irresistible canine, and

Though many things in the world are uncertain, there are some people we can always count on—so let’s count them! In this colorful board book filled with ado

Frank follows the motto, "Honesty is the best policy." He tells the truth, the whole truth, and nothing but the truth. Frank never lies to his schoolmates, he a

A fictional story of the hurdles and accomplishments of childhood, from the ages of 1 to 7.