The Sweetness at the Bottom of the Pie is a delightful cozy antique mystery book written by Alan Bradley. The story introduces Flavia de Luce, an eleven-year-old amateur chemist and detective. When Flavia discovers a dead bird with a postage stamp pinned to its beak, she becomes determined to solve the mystery behind it. With her sharp wit, scientific knowledge, and a knack for getting into trouble, Flavia uncovers a dark secret that will keep readers guessing until the end. This book is a perfect blend of charm, humor, and vintage charm.