But while new scenes would likely interest Frank and Bob from time to time, they could never forget the magnificent views that had been stamped upon their memories forever while in the Grand Canyon of the mighty Colorado. THE END * * * * * * THE BOYS' OUTING LIBRARY _12mo. Cloth. Illustrated. Jacket in full color. Price, per volume, 65 cents, postpaid._ [Illustration] THE SADDLE BOYS SERIES BY CAPT. JAMES CARSON The Saddle Boys of the Rockies The Saddle Boys in the Grand Canyon The Saddle Boys on the Plains The Saddle Boys at Circle Ranch The Saddle Boys on Mexican Trails THE DAVE DASHAWAY SERIES BY ROY ROCKWOOD Dave Dashaway the Young Aviator Dave Dashaway and His Hydroplane Dave Dashaway and His Giant Airship Dave Dashaway Around the World Dave Dashaway: Air Champion THE SPEEDWELL BOYS SERIES BY ROY ROCKWOOD The Speedwell Boys on Motorcycles The Speedwell Boys and Their Racing Auto The Speedwell Boys and Their Power Launch The Speedwell Boys in a Submarine The Speedwell Boys and Their Ice Racer THE TOM FAIRFIELD SERIES By ALLEN CHAPMAN Tom Fairfield's School Days Tom Fairfield at Sea Tom Fairfield in Camp Tom Fairfield's Pluck and Luck Tom Fairfield's Hunting Trip THE FRED FENTON ATHLETIC SERIES By ALLEN CHAPMAN Fred Fenton the Pitcher Fred Fenton in the Line Fred Fenton on the Crew Fred Fenton on the Track Fred Fenton: Marathon Runner _Send For Our Free Illustrated Catalogue._ CUPPLES & LEON COMPANY, Publishers New York THE JEWEL SERIES BY AMES THOMPSON _12mo. Cloth. Illustrated. Jacket in colors_ Price per volume, 65 cents [Illustration] _A series of stories brimming with hardy adventure, vivid and accurate in detail, and with a good foundation of probability. They take the reader realistically to the scene of action. Besides being lively and full of real situations, they are written in a straightforward way very attractive to boy readers._ 1. THE ADVENTURE BOYS AND THE VALLEY OF DIAMONDS Malcolm Edwards and his son Ralph are adventurers with ample means for following up their interest in jewel clues. In this book they form a party of five, including Jimmy Stone and Bret Hartson, boys of Ralph's age, and a shrewd level-headed sailor named Stanley Greene. They find a valley of diamonds in the heart of Africa. 2. THE ADVENTURE BOYS AND THE RIVER OF EMERALDS The five adventurers, staying at a hotel in San Francisco, find that Pedro the elevator man has an interesting story of a hidden "river of emeralds" in Peru, to tell. With him as guide, they set out to find it, escape various traps set for them by jealous Peruvians, and are much amused by Pedro all through the experience. 3. THE ADVENTURE BOYS AND THE LAGOON OF PEARLS This time the group starts out on a cruise simply for pleasure, but their adventuresome spirits lead them into the thick of things on a South Sea cannibal island. _Send For Our Free Illustrated Catalogue_