and their off time from school they help their father by
hunting down clues themselves.

THE TOWER TREASURE--A dying criminal confessed that his loot had been
secreted "in the tower." It remained for the Hardy Boys to clear up the
mystery.

THE HOUSE ON THE CLIFF--Mr. Hardy started to investigate--and
disappeared! An odd tale, with plenty of excitement.

THE SECRET OF THE OLD MILL--Counterfeit money was in circulation, and
the limit was reached when Mrs. Hardy took some from a stranger. A tale
full of thrills.

THE MISSING CHUMS--Two of the Hardy Boys' chums disappear and are
almost rescued by their friends when all are captured. A thrilling
story of adventure.

HUNTING FOR HIDDEN GOLD--In tracing some stolen gold the trail leads
the boys to an abandoned mine, and there things start to happen.

THE SHORE ROAD MYSTERY--Automobiles were disappearing most mysteriously
from the Shore Road. It remained for the Hardy Boys to solve the
mystery.

THE SECRET OF THE CAVES--When the boys reached the caves they came
unexpectedly upon a queer old hermit.

THE MYSTERY OF CABIN ISLAND--A story of queer adventures on a rockbound
island.

THE GREAT AIRPORT MYSTERY--The Hardy Boys solve the mystery of the
disappearance of some valuable mail.

WHAT HAPPENED AT MIDNIGHT--The boys follow a trail that ends in a
strange and exciting situation.

WHILE THE CLOCK TICKED--The Hardy Boys aid in vindicating a man who has
been wrongly accused of a crime.

FOOTPRINTS UNDER THE WINDOW--The Smuggling of Chinese into this country
is the basis of this story in which the boys find thrills and
excitement aplenty.

* * * * *

GROSSET & DUNLAP, Publishers, NEW YORK

TED SCOTT FLYING STORIES

By FRANKLIN W. DIXON

* * * * *

Illustrated. Each Volume Complete in Itself.

* * * * *

No subject has so thoroughly caught the imagination of young America as
aviation. This series has been inspired by recent daring feats of the
air, and is dedicated to Lindbergh, Byrd, Chamberlin and other heroes
of the skies.

OVER THE OCEAN TO PARIS;
_or, Ted Scott's Daring Long Distance Flight._

RESCUED IN THE CLOUDS;
_or, Ted Scott, Hero of the Air._

OVER THE ROCKIES WITH THE AIR MAIL;
_or, Ted Scott Lost in the Wilderness._

FIRST STOP HONOLULU;
_or, Ted Scott Over the Pacific._

THE SEARCH FOR THE LOST FLYERS;