Bitter Rivals (Sweet Valley High Book 29)

Three's a crowd...
Elizabeth Wakefield is ecstatic. Her dearest childhood friend, Amy Sutton, is moving back to Sweet Valley. Elizabeth can't wait to see her again and introduce Amy to her current best friend, Enid Rollins.
Amy is an undeniable hit at Sweet Valley High. She's glamorous and vivacious, and she becomes the newest member of the cheerleading squad. But to Elizabeth's shock, Amy and Enid seem to be heading for a showdown. Will the prospect of having two best friends leave Elizabeth with none?