Pep Squad Mysteries Book 13: the Bank Robbers' Revenge

When the other members of the Pep Squad Mystery Club begin to disappear after a gang of vile criminals escape police custody, sisters Kristen and Kelly Hobbs jump into action. Can they manage to rescue their friends and foil "THE BANK ROBBER'S REVENGE?" Pep Squad Mysteries is a series of mystery chapter book adventures aimed at preteen readers and up.