Maddie and Mabel make a plan

"The fourth book in the Junior Library Guild Award Winning Series Best sisters and big thinkers Maddie and Mabel have a new idea. A really wild idea. But can their idea become a reality? With their sweet charm and innocent curiosity, the sisters make lists, ask questions, and learn when to turn something broken into something new. Together they learn that every idea has opportunities and obstacles. In this fourth foray, the sisters navigate tough...