Most people / words by Michael Leannah ; pictures by Jennifer E. Morris.

Leannah, Michael, 1957- author.

Humanimal : incredible ways animals are just like us! / by Christopher Lloyd ; illustrated by Mark Ruffle.

Lloyd, Christopher, 1968- author.

Psychology : Why We Smile, Strive, and Sing / Julie Rubini.

Rubini, Julie, author.

How to behave and why / Munro Leaf.

Leaf, Munro, 1905-1976.

You just can't help it! : your guide to the wild and wacky world of human behavior / Jeff Szpirglas ; [Josh Holinaty, illustrator].

Szpirglas, Jeff.

Bootsie Barker bites / by Barbara Bottner ; illustrated by Peggy Rathmann.

Bottner, Barbara.

Footprints across the planet / Jennifer Swanson.

Swanson, Jennifer, author.

Hubots : real-world robots inspired by humans / written by Helaine Becker ; illustrated by Alex Ries.

Becker, Helaine, author.

Pick, spit & scratch! : the science of disgusting habits / words by Julia Garstecki ; illustrations by Chris Monroe.

Garstecki, Julia, author.

Human behavior.