When Piper outgrows her favorite sweater, she must find a way to save it. A comforting picture book perfect for every kid who has a lovey or favorite piece of clothing. Piper loves Purpa, her favorite purple sweater. She wears it everywhere--to the park, to birthday parties, and every occasion in between. But as Piper grows bigger and taller, Purpa does not, and soon Piper can't fit into Purpa anymore . . . though maybe she can find...