Dive into “The Trouble with the Two-Headed Hydra,” the thrilling second installment of the Miss Mary-Kate Martin’s Guide to Monsters series from “The Bookish Owl.” Join anxious young investigator Mary-Kate as she travels to the sun-drenched Greek island of Galinios on a magical adventure. What begins as a relaxing holiday for Professor Martin’s daughter quickly transforms into a captivating mystery involving a legendary sea creature. Is the tale of the Two-Headed Hydra real, and what has angered it? With her characteristic bravery despite her anxiety, and the aid of new friend Nikos, Mary-Kate is determined to uncover the truth behind this monster-sized enigma. Perfect for middle-grade readers aged 9-11 who love fantasy, humor, and engaging mysteries.