Jessica and the Brat Attack — Francine Pascal

Jessica Wakefield steals a baby-sitting job from her twin sister Elizabeth, leaving Elizabeth the boring job of tending the water-balloon booth at the school fair, but when Jessica's charge proves too rambunctious, she wonders whether Elizabeth will rescue her.Jessica Wakefield steals a baby-sitting job from her twin sister Elizabeth, leaving Elizabeth the boring job of tending the water-balloon booth at the school fair, but when Jessica's charges prove too rambunctuous, she wonders whether Elizabeth will rescue her