Nibbles: A Green Tale Book

This charming book starts out as a story about how much hamsters love dandelions. Until they become scarce. When Nibbles finds what may be the very last one, he must decide what to do. Not a saccharine or moralistic read; just a solid story with lovely imagery.
Reading this to my first child changed his perspective on his place in the world. Now age 12, he is an enthusiastic gardener and fully believes in his ability to make a difference in the world. He still credits this book as one reason why.