Math meets sci-fi in this clever chapter book--the second in a new series--about two numbers-loving friends and their alien adventures. Lamar and Lexie head off on another math-related adventure to help their new space alien friend, Fooz It seems Fooz's planet has been overrun with penguins--and the inhabitants are terrified of these adorable creatures. In fact, they're so frightened they turn to stone whenever they see even...