Dawn's Big Move — Ann M. Martin

Dawn loves her life in Stoneybrook -- her new stepfamily, the kids she sits for, and especially her friends in the Baby-sitters Club. But lately, Dawn really misses her dad and brother in California. Seeing them on holidays and vacations just isn't enough. So Dawn's made a decision -- a big one. She's going to move back to California for six months.

Of course, everyone's shocked. What's Mary Anne going to do without her best friend and stepsister? Who will replace Dawn in the club? And will she really come back...?