Libby and Nana love to read stories and color pictures together. They plant the garden in spring and feed the songbirds. But Libby notices that Nana is forgetting the words in books. She's mixing up the names of birds. She's wearing clothes that don't match. What's going on? When Libby's parents tell her about Alzheimer's disease, she begins to understand what is happening to Nana. And with their reassurance and help, she finds ways to be with Nana...