In the third book in the <i>Nathaniel Fludd, Beastologist </i>series, Nate suspects the ransacking of Aunt Phil's house, the rampaging wyverns--giant, winged dragons--in Wales, and Nate's parents' disappearance at sea are all connected to the mysterious man who's been trying to steal the Fludd <i>Book of Beasts. </i>This is a mystery on the world's youngest Beastologist can solve!