ILLUSTRATED
NEW YORK
GEORGE SULLY & COMPANY
PUBLISHERS
BOOKS FOR BOYS
BY
ROY ROCKWOOD
DAVE FEARLESS AFTER A SUNKEN TREASURE
DAVE FEARLESS ON A FLOATING ISLAND
DAVE FEARLESS AND THE CAVE OF MYSTERY
Copyright 1918 BY
GEORGE SULLY & COMPANY
PRINTED IN U. S. A.
CONTENTS
CHAPTER