Daphne is new at school. Most of her classmates are friendly to her, except for Geli, who is very bossy and unpleasant. It's hard to have Geli as a friend, but it's even worse to have her as an enemy. So, when Amelia throws the first pajama party for her birthday and the other girls in the group follow, Daphne has to reciprocate as well. But she faces a dilemma: if she throws a pajama party, her new friends will have to meet her sister... [Excerpt from the text on the back cover of the edition]