Chapter I: Front Matter

THE HARDY BOYS

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

CONTENTS

I OVERBOARD

II THE RESCUE

III MISS TODD

IV CONCERNING TODHAM TODD

V PLANS FOR A TRIP

VI THE MISSING MOTORCYCLE

VII CARL SCHAUM

VIII STRANGE DOINGS

IX THE STORM

X THE CAVE

XI FOOTSTEPS IN THE NIGHT

XII A DISAPPEARANCE

XIII STOLEN SUPPLIES

XIV CAPTAIN ROYAL

XV THE OLD SAILOR

XVI "GO AWAY!"

XVII THE MAN ON THE SHORE

XVIII THE PRISONER

XIX CLIPPINGS

XX THE SHOTGUN

XXI OVER THE CLIFF

XXII IN SWIRLING WATERS

XXIII BACK TO BAYPORT

XXIV AT THE HOSPITAL

XXV THE LAST OF CAPTAIN ROYAL

THE HARDY BOYS:

THE SECRET OF THE CAVES