Sohn, Emily, Astro the Alien learns about teamwork / by Emily Sohn ; illustrated by Carlos Aón. - 32 pages : color illustrations ; 21 cm. - A Beginning-to-read book . Includes teaching notes.Themes books. ISBN: 9781684509300 9781684044436 Subjects--Topical Terms: Reading (Primary)Cooperativeness--Juvenile fiction.Extraterrestrial beings--Juvenile fiction. Dewey Class. No.: 428.6/2