Laekan Zea Kemp’s heartbreaking novel-in-verse, “An Appetite for Miracles,” centers on two teenagers, Danna Mendoza Villarreal and Raúl Santos. Raúl turns to music as a coping mechanism for his mother’s unjust imprisonment, while Danna tries to use food to help her grandfather remember. As soon as they get together, they set out to cure both her grandfather and themselves. The book looks at memory, healing, and the influence of music and food.