THE SECRET OF THE CAVES
By FRANKLIN W. DIXON
Author of
The Hardy Boys: The Tower Treasure
The Hardy Boys: The Secret of The Old Mill
The Hardy Boys: The Shore Road Mystery
ILLUSTRATED BY
Walter S. Rogers
NEW YORK
GROSSET & DUNLAP
PUBLISHERS
Made in the United States of America
MYSTERY STORIES FOR BOYS
By FRANKLIN W. DIXON
THE HARDY BOYS: THE TOWER TREASURE
THE HARDY BOYS: THE HOUSE ON THE CLIFF
THE HARDY BOYS: THE SECRET OF THE OLD MILL
THE HARDY BOYS: THE MISSING CHUMS
THE HARDY BOYS: HUNTING FOR HIDDEN GOLD
THE HARDY BOYS: THE SHORE ROAD MYSTERY
THE HARDY BOYS: THE SECRET OF THE CAVES
GROSSET & DUNLAP, PUBLISHERS, NEW YORK
Copyright, 1929, by
GROSSET & DUNLAP, Inc.
The Hardy Boys: The Secret of the Caves