1st Edition - Reilly and Lee (1925) VERY GOOD in a fair Mylar protected dust jacket - DJ is very rare. No marks in text. Binding is tight and square. 269 pages ; 20 cm. The author,Covington Clark (Pseudonym of US lawyer and author Homer Clarke Venable -1891-1953, was active in the 1920s, and specialized in flying adventures for boys; under his own name, Frontispiece by Harry W. Armstrong. . . . . FROM THE DUST JACKET FRONT FLAP: Is there a boy alive who has not dreamed of hunting mountain lions and wild mustangs? Well, here is a story where the hunters do their work with weapons no more deadly than the lariat and a moving picture camera. Mr. Clarke has laid the scene of his story in Grand Canyon country - a land teaming with wild life and adventure. The the the scene of *The Lost Canyon* is a c?ean, swift, straight-from-the-shoulder story, containing no false nature notes and improbable hokum. The situations are all plausible, and the reader catehes the thrill and vastness of big country and lives through the scenes with a feeling that he is one of the actors.