A Universe of Stories Uncle Larry's Antique Shop & Junkyard is a magical world where everything has a price--and nothing is as it seems. In this junkyard adventure, Eli and Grace get to explore outer space! They will visit famous constellations like Little Dipper and Big Dipper, Ursa Major and Ursa Minor, and Orion the Hunter. Next, they get to meet Zip the Alien, an astronomy teacher, who gives them three space riddles to solve, and teaches them more about astronomy. Discover the mysteries of space with the Alien of Astronomy. For fans of Mary Pope Osborne's classic Magic Tree House chapter book series. Other books in the series: Word Dragon, Sea Serpent of Science, and Giant of Geography.