Ruby and her two best friends are excited about going to the amusement park. That is, until they discover that the rides they want to go on have seats for two, not three. Someone will have to ride alone-or will they? (Math Concept: Odd/Even Numbers) Lisa Harkrader is the author of a number of children's and young adult books, including the award-winning Airball: My Life in Briefs and The Adventures of Beanboy, as well as several titles for Kane Press. Following her dream, MH Pilz has been a professional illustrator for over 25 years. She studied Art Education, with further training from the Art Institute of Chicago and the Chicago Academy of Art.
