Willy the Worm and Professor Crawly have been friends for years, simply because they both live underground and see each other often. Willy is Professor Crawly's example on Being Satisfied.
We live in a materialistic world, where the focus on the possession of things and the display of what we have is stressed so much in our daily lives. We should always strive to make our lives better but not at the expense of not understanding how to be satisfied with what we already have at the moment.
These books are a series of lessons for preschool children ages 4-6 years old, on positive attitudes for life experiences and illustrated through the use of bugs, slugs, and other crawly things. They are taught by a wise old ant named Professor Crawly who uses all his crawly friends to teach his lessons. They are inspiring instructional teaching tools to help children learn how to live emotionally healthy lives. This age group has a short retention span. As such, we need to make our point in only a few pages.