Amazon.com description: Product Description: What are stars made of? Where do they go during the day? How far are they from earth? A boy and his bike-riding dog invite young readers on a stellar journey to answer these intriguing questions and more. Lively text and kid-friendly art introduce the science of stars, explaining concepts such as brightness, distance, and why stars appear to move across the sky. Originally published in English by National Geographic as Stars, a volume in the acclaimed Jump into Science series, Estrellas will engage and inspire readers ages 4-8. Readers will also want to look out for other titles in the Descubre la ciencia series, published by Stampley in association with National Geographic.