The Sweetness at the Bottom of the Pie is a cozy antique mystery book written by Alan Bradley. Set in 1950s England, this delightful novel introduces readers to 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 embarks on a quest to solve the mystery behind it. With its witty protagonist, charming English countryside setting, and a dash of historical charm, this book is a must-read for fans of cozy antique mysteries.