THE ROVER BOYS DOWN EAST
THE ROVER BOYS IN THE AIR
THE ROVER BOYS IN NEW YORK
THE ROVER BOYS IN ALASKA
THE ROVER BOYS IN BUSINESS
THE ROVER BOYS ON A TOUR

THE SECOND ROVER BOYS SERIES

THE ROVER BOYS AT COLBY HALL
THE ROVER BOYS ON SNOWSHOE ISLAND
THE ROVER BOYS UNDER CANVAS
THE ROVER BOYS ON A HUNT

THE PUTNAM HALL SERIES

THE PUTNAM HALL CADETS
THE PUTNAM HALL RIVALS
THE PUTNAM HALL CHAMPIONS
THE PUTNAM HALL REBELLION
THE PUTNAM HALL ENCAMPMENT
THE PUTNAM HALL MYSTERY

* * * * *

THE HARDY BOYS SERIES

By FRANKLIN W. DIXON

Illustrated. Every Volume Complete in Itself

The Hardy Boys are sons of a celebrated American detective, and during
vacations 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