kely 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