Who Ate the Pie? offers children an interactive way to learn to recognize animals by their geometrical shapes of their footprints and by the sound each animal makes. Who Ate the Pie? is a fun, engaging, educational and beautifully illustrated book, where young children and their parents are invited to join an important mission: find a lost pie for Mr. Goose. This first children's book by Cuban jazz pianist, Elio Villafranca, is bound to capture the heart of readers of all ages.