After finding a compass and clues left by Kallista's father, Leo Babbage, Trenton and Kallista head west aboard their homemade mechanical dragon to search for the missing inventor. The two teenagers hope to find answers about their mountain city of Cove, but instead, they find only a blackened forest, ruined buildings, and a small underground city Almost immediately, Trenton and Kallista are caught up in a civil war between a clan of scavengers called Whipjacks and the Order of the Beast, people who believe that dragons are immortal and divine. Stranded in a new city, the two friends meet Plucky, a Whipjack girl with mechanical legs, and Ander, a young member of the Order who claims humans are able to communicate with dragons. Can they trust anyone, or have they unknowingly stepped into a trap? And high above in the sky, the dragons are gathering . . . ''An amazing adventure that will grab hold of you and never let go.'' --Jennifer A. Nielsen, New York Times bestselling author, praise for the series ''A joy to read from cover to cover. Highly recommended.'' --Midwest Book Review ''The perfect addition to the Mysteries of Cove Series. Trenton and Kallista return in a sequel packed with even more action than the first. An exciting thriller that will leave the reader on the edge of their seats.'' --Compass Book Ratings J. Scott Savage is the author of the Farworld middle grade fantasy series and the Case File 13 middle grade monster series. He has been writing and publishing books for over ten years. He has visited over 400 elementary schools, dozens of writers conferences, and taught many writing classes. He has four children and lives with his wife Jennifer and their Border Collie, Pepper, in a windy valley of the Rocky Mountains.