The Sweetness at the Bottom of the Pie

This reviewer was half-hoping that Flavia De Luce, the brilliant toxicologist of Alan Bradley’s delicious new mystery, would be a cheerful murderess on the other end of the age spectrum from the old ladies in Arsenic and Old Lace. But no, save getting mild revenge on a tormentor, 11-year-old Flavia uses her knowledge of poisons…