Ages 9-11

"Cassi loves spending time with her grandfather. His games, songs, and stories have always brought her endless joy. This visit with him, though, is different: Grandpa seems to be losing track of things, including everything from the stories they're sharing to who Cassi herself is. So when he goes missing after wandering off from his own backyard, Cassi knows she has to figure out where he's gone. What she discovers is a world filled with memories,...