A school assignment gets the Baby-Sitters thinking about their past in this entry in the classic hit series. The teachers at SMS have assigned homework to do over the summer. How Mean! Plus, the essay topic is so boring: What I Did This Summer. If Kristy were teacher, she'd choose something much more interesting. Like writing about your most vivid memory. Which gets the Baby-sitters thinking . . . The best friends you'll ever have—with classic BSC covers!