The hit series is back, to charm and inspire another generation of baby-sitters!

Jessi is honored—and surprised—when she's asked to participate in a synchronized swimming competition. Sure, Jessi knows ballet. But water ballet is a different story. All that swimming is hard work!Jessi and her partner practice their routines over and over again. Everyone—especially the Baby-sitters—is expecting them to win the gold. But Jessi's not so sure she can do it . . .The best friends you'll ever have—with classic BSC covers and a letter from Ann M. Martin!