When Don and Jim Mercer and their buddy TerryMackson set out in their sloop, Lassie, for a visitto Mystery Island, they were in search of adventureand fun. But they quickly found they were gettingmore than they bargained for—real danger, a skirmishwith marine bandits, and a fight for their lives.This is a thrilling adventure story of three modernboys—with action and excitement on every page.
Other titles in The Mercer Boys’ Series
By CAPWELL WYCKOFF
Falcon Books
are published by THE WORLD PUBLISHING COMPANY
2231 West 110th Street · Cleveland 2 · Ohio
W 4
COPYRIGHT 1948 BY THE WORLD PUBLISHING COMPANY
MANUFACTURED IN THE UNITED STATES OF AMERICA