Karen's New Year (Baby-Sitters Little Sister #14)

"It's fun to be a Baby-sitters' Little Sister! For New Year's Eve, Karen thinks everyone should make a promise. Hannie is going to stop biting her nails. Kristy promises not to talk to her boyfriend on the phone so much ren makes the most promises of all -- nine! But pretty soon, everyone starts breaking their promises. And her brothers and sisters are calling Karen a spy! Poor Karen. Why is everyone being bad except her?"--