Front matter
Reading edition
A. Hyatt Verrill
CONTENTS
CHAPTER I—TOM TAKES UP RADIO
CHAPTER II—MYSTERIOUS MESSAGES
CHAPTER III—THE RADIO DETECTIVES
CHAPTER IV—THE BOYS DRAW A BLANK
CHAPTER V—THE UNDER-SEA WIRELESS
CHAPTER VI—THE RED MENACE
CHAPTER VII—THE CRY FROM THE DEPTHS
CHAPTER VIII—ASTOUNDING DISCOVERIES
CHAPTER IX—THE BATTLE BENEATH THE RIVER
CHAPTER X—RADIO WINS
CHAPTER XI—HENDERSON HAS AN INTERVIEW
CHAPTER XII—THE CONFESSION
CHAPTER XIII—RAWLINS’ PROPOSAL
“HELP! SEND FOR HELP!”
THE RADIO DETECTIVES
BY
A. HYATT VERRILL
AUTHOR OF “THE DEEP SEA HUNTERS,” “ISLES OF SPICE AND PALM,” “THE BOOK OF THE MOTOR BOAT,” ETC.
D. APPLETON AND COMPANY
NEW YORK :: 1922 :: LONDON
COPYRIGHT, 1922, BY D. APPLETON AND COMPANY
PRINTED IN THE UNITED STATES OF AMERICA