Using comparisons between animals and people, the widely praised Think About . . . series helps children understand what makes humans human. Each includes a final spread with activities to reinforce the material. This title explores why animals in the wild don't go to dentists, and why it's important that humans do.

In line with the Common Core's emphasis on compare-and-contrast, the Think About . . . series includes activities and discussion points for kids, parents, and educators that further extend each topic's range and application. This title explores the eyes and sight abilities of various animals?and why most don't need or won't ever wear glasses.

Each title in the twelve-book Think About . . . series opens with a helpful letter to parents and educators explaining ways to use the books with their kids. This title explores body and facial expressions in animals and people. Waves, smiles, frowns, hugs, kisses, handshakes, and common greeting expressions are featured.