The Sweetness at the Bottom of the Pie is a charming cozy antique mystery book written by Alan Bradley. It introduces readers to Flavia de Luce, an eleven-year-old amateur sleuth with a passion for chemistry and a knack for solving crimes. Set in 1950s England, this book follows Flavia as she investigates a murder involving a mysterious stamp. With its witty protagonist and vividly described setting, The Sweetness at the Bottom of the Pie is a delightful and engaging read.