The third book in the hilarious New York Times bestselling middle-grade series set in the world of law-breaking leprechauns from actor and writer Thomas Lennon--now in paperback Ronan Boyle may be the youngest detective of the secret Garda, but now that he's saved the captain from a spooky cult, he's also the only detective that has the head of an old Irish god in his vastsack! But his adventures are far from over.
