From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation!

On your mark, get set...Karen's school is getting ready for Field Day. And Karen is practicing extra-hard for all the events. Whoever wins the most races will get a special award. Karen thinks she has a chance to win it. But so does Pamela Harding. Can Karen beat her best enemy and bring home the prize?