The Weed That Strings The Hangman's Bag by Alan Bradley

Set in the quaint English village of Bishop's Lacey, this mystery novel follows the precocious eleven-year-old Flavia de Luce, an aspiring chemist with a penchant for solving crimes. When a traveling puppeteer's performance ends in his sudden death, Flavia's curiosity is piqued, leading her to uncover secrets buried within the village's past. As she delves deeper into the mystery, Flavia navigates a web of deceit, betrayal, and hidden motives, using her sharp intellect and scientific knowledge to unravel the truth behind the murder.