Book excerpt: Time and time again Dolores has been told to keep out of her big sister Faye's room. But when Dolores sees Faye hiding a mysterious heart-shaped box, she can't resist sneaking in and taking a peek. Join the irrepressible Dolores and her long-suffering cat, Duncan, in this hilarious escapade as Dolores pushes the limits of sisterly love and learns that, in matters of the heart, it's important to give, as well as take.