¿Dónde está mi jersey?

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.

In a dream, Joaquín meets various animals and discovers that they have very different tails which prove very useful to them.

Readers learn the basics of caring for common household pets, from physical features, to behavior, to diet. Also explored is how the animal's natural habitat differs from the habitat provided in the home.

Follows the adventures of Max Axiom as he explains the science behind forces and motion. Written in graphic-novel format.