When a neighborhires Nancy, Bess, and George to take care of her eighteen-month-old identical twins, the girls are happy to help. After all, the Clue Crew has stopped would-be thieves, uncovered scams, and recovered stolen objects- how hard can watching a couple of babies be?rnBut being a mother's helper is trickier than they thought, especially when the twins' toys start disappearing. Can the …