I'm so glad Joshunda is telling our stories. --Jacqueline Woodson In summertime, intrepid eight-year-old journalist Ava Murray and her best friend, Marisol, love to play hopscotch and double Dutch. But the hot asphalt of the sidewalk in their neighborhood makes them sweaty and burns their feet through their sneakers. When Ava's mother, Kim, tells her that the New York City Parks Department is building a new park in her neighborhood,...