What are stars made of? Where do they go in the daytime? How far away are they? A boy and his bike-riding dog take readers on a stellar journey to answer these and other intriguing questions. Along the way, children discover that our sun is a star and that stars of many sizes and colors twinkle throughout the universe. Simple text and whimsical art introduce the science of stars, explaining concepts such as brightness, distance, and why stars appear to move across the sky. Then patterns in the stars come to life dramatically in the form of lions, bulls, and people in the various constellations.