The second book in the exciting new Sparkle Valley series. Ming the moon rabbit has had a wonderful time at Sparkle Valley, but now it's time to hop back to her home on the moon. Except she can't! As quickly as she jumps, she falls back down. Turns out she can only travel on a full moon. To cheer Ming up, the unicorns organize a sports day. But Ming doesn't really like sports, and when she's paired with the competitive centaurs, she's worried about whether she can keep up. With the full moon fast approaching, can the unicorns help Ming overcome her fear of sports and help her get home?