Marin loves the sandwiches his parents make for him every day. Every day they're different; every day they're more delicious than the last. Then, one Monday morning, someone dares to steal his favorite sandwich of all: ham-cheddar-kale. Furious, Marin begins a fevered, famished investigation to unmask the thief. The days go by, the suspects multiply, and Marin's sandwiches continue to disappear. Will Marin ever eat lunch again? The first in a series of school-based, food-centric mysteries will have readers laughing out loud as they try and solve the mystery along with the hungry, aggrieved, resourceful Marin.