Tracked by Wireless

“Mr. William Le Queux retains his position as ‘The Master of Mystery.’... He is far too skilful to allow pause for thought; he whirls his readers from incident to incident, holding their attention from the first page to the close of the book.”--=Pall Mall Gazette.=

“Mr. Le Queux is the master of mystery. He never fails to produce the correct illusion. He always leaves us panting for more--a brilliant feat.”--=Daily Graphic.=

“Mr. Le Queux is still ‘The Master of Mystery.’”--=Madame.=

“Mr. Le Queux is a most experienced hand in writing sensational fiction. He never loses the grip of his readers.”--=Publishers’ Circular.=

“Mr. Le Queux always grips his reader, and holds him to the last page.”--=Bristol Times and Mirror.=

“Mr. Le Queux’s books once begun must be read to the end.”--=Evening News.=

“There is no better companion on a railway journey than Mr. William Le Queux.”--=Daily Mail.=

“Mr. Le Queux knows his business, and carries it on vigorously and prosperously. His stories are always fantastic and thrilling.”--=Daily Telegraph.=

“Mr. Le Queux is an adept at the semi-detective story. His work is always excellent.”--=Review of Reviews.=

“Mr. Le Queux is always so refreshing in his stories of adventure that one knows on taking up a new book of his that one will be amused.”--=Birmingham Post.=

“Mr. Le Queux’s books are delightfully convincing.”--=Scotsman.=

“Mr. Le Queux’s books are always exciting and absorbing. His mysteries are enthralling and his skill is world-famous.”--=Liverpool Daily Post.=

“Mr. Le Queux has brought the art of the sensational novel to high perfection.”--=Northern Whig.=

“Mr. Le Queux is so true to his own style that any one familiar with his books would certainly guess him to be the author, even if his name were not given.”--=Methodist Recorder.=

“‘As good wine needs no bush’ so no mystery story by Mr. Le Queux, the popular weaver of tales of crime, needs praise for its skill. Any novel with this author’s name appended is sure to be ingenious in design and cleverly worked out.”--=Bookseller.=

“Mr. Le Queux is always reliable. The reader who picks up any of his latest novels knows what to expect.”--=Bookman.=

“Mr. Le Queux’s admirers are legion, and the issue of a new novel is to them one of the most felicitous events that can happen.”--=Newcastle Daily Chronicle.=

“Mr. Le Queux is the master of the art of mystery-creating.”--=Liverpool Daily Post.=

TRACKED BY WIRELESS

BY

WILLIAM LE QUEUX

Member of the Institute of Radio Engineers

1922 MOFFAT, YARD & COMPANY NEW YORK

TO MY FRIEND

MAJOR HUMPHRY MACCALLUM

WITHOUT WHOSE KIND AID THIS SERIES OF WIRELESS ROMANCES WOULD NEVER HAVE BEEN WRITTEN

Printed in Great Britain. Cinema and translation rights reserved.

CONTENTS

CHAPTER PAGE

I THE SECRET SIGNAL 11

II THE VOICE FROM THE VOID 31

III THE CALICO GLOVE 50

IV THE DEVIL’S OVEN 68

V THE MYSTERY WIDOW 89

VI THE CLOVEN HOOF 109

VII THE POISON FACTORY 128

VIII THE GREAT INTRIGUE 146

IX THE THREE BAD MEN 166

X THE MYSTERY OF BERENICE 185

XI THE MARKED MAN 204

XII THE CROW’S CLIFF 223

TRACKED BY WIRELESS.

CHAPTER I

THE SECRET SIGNAL

Geoffrey Falconer removed the wireless telephone receivers from his ears, and sat back in his wooden chair, staring straight before him, utterly puzzled.

“Eighteen-and-a-half minutes past seven!” he muttered to himself, glancing up at the big round clock above the long bench upon which a number of complicated-looking wireless instruments were set out.