Spanish-speakers learning English and English-speakers learning Spanish are introduced to the wonders of the universe with this basic astronomy series, presented in both English and standard Latin-American Spanish. Readers will learn how long it takes for Earth to travel around the Sun and what the Moon is really made of. Each book includes stunning photos and features text written specifically for beginning readers. Photo glossaries, tables of contents, indexes, and websites that link to more information about the universe make these books a perfect introduction to the conventions of the nonfiction book.