- : The hardy boys - The Flickering Torch Mystery (No:1924)
Book No. 22 - :
- : 978-0-448-08922-5
- : When two suspicious plane accidents occur near an eastern airport, the two Hardy brothers investigate the case and find themselves in greater danger than they anticipated.
- : 9 -14 Yrs
in
- : The hardy boys - The clue of the broken blade (No:1923)
Book No. 21 - :
- : 978-0-448-08921-8
- : Frank and Joe Hardy become involved in an intriguing mystery which revolves around their fencing master, Ettore Russo. Proof that Russo is the rightful heir to his grandfather’s estate hinges on retrieving the guard end of a broken saber lost many years ago in California. The young investigators’ quest is complicated by a bank robbery during which some of their father’s important records are stolen. A chase ensues in the grape-growing region of California as the boys engage in a dangerous game of hide-and-seek with the bank robbery gang.
- : 9 -14 Yrs
in
- : The hardy boys - Mystery of the flying express (No:1922)
Book No. 20 - :
- : 978-0-44-08920-1
- : A sleek new hydrofoil is scheduled to start ferrying passengers between Bayport and Cape Cutlass. But business enemies of the hydrofoil owner have stirred up a hornets’ nest of violent opposition among small boat owners. Fearing sabotage, he begs Frank and Joe Hardy to guard the Flying Express on her maiden trip. Startling developments plunge the teenage detectives into a dangerous chase by sea, air, and land in pursuit of a gang of hardened criminals who operate by the signs of the Zodiac. Tension mounts when the Flying Express vanishes – and so does Sam Radley, Mr. Hardy’s skilled operative.
- :
in
- : The hardy boys - The diappearing floor (No:1921)
Book No. 19 - :
- : 978-0-448-08919-5
- : Once again Frank and Joe Hardy take on a puzzling case when their famous detective father asks the boys to assist him in tracking down a notorious jewel thief and his accomplices. The trail leads to the outskirts of the Hardys’ home town and to a weirdly guarded mansion on the old Perth estate. With their pal Chet Morton, the brothers must tackle the mystery of the mansion heir’s sudden death. A disappearing floor, a huge, savage-looking, hound, a galloping ghost, and a college professor’s startling invention are just a few of the strange elements that complicate the boys’ efforts to solve both mysteries.
- : 9 -14 Yrs
in
- : The hardy boys - The twistes claw (No:1920)
Book No. 18 - :
- : 978-0-448-08918-8
- : A series of museum thefts launch the Hardy Boys on this baffling mystery. Rare collections of ancient pirate treasure are being stolen, so Frank and Joe are asked to stake out the Black Parrot, a suspicious freighter docked in Bayport Harbor. This whirlwind chase after a self-styled pirate king in the Caribbean stronghold of the Empire of the Twisted Claw makes a gripping tale of suspense and high adventure.
- : 8 -14 Yrs
in
- : The hardy boys - The secret warning (No:1919)
Book No. 17 - :
- : 978-0448-08917-1
- : Strange events involve Frank and Joe Hardy in a mystery which shrouds an ancient treasure—the golden head of the Pharaoh Rhamaton IV. The owner of the million-dollar golden Pharaoh’s head claims it was aboard the freighter Katawa, which sank not far from Whalebone Island. But suspicious developments indicate that Mehmet Zufar may be trying to defraud the shipping line’s insurance company.
- : 8 Yrs
in
- : The hardy boys - A figure in hiding (No:1918)
Book No. 16 - :
- : 978-0-448-08916-4
- : A blind peddler’s warning and a weird glass eye plunge Frank and Joe Hardy into one of the most baffling cases they have ever tackled. The young detectives’ investigation takes them to a walled estate guarded by savage dogs, where a wealthy businessman is hiding out in fear for his life. In a climax that will hold the reader spellbound with suspense, Frank and Joe find themselves trapped in a sinister house of mystery where there seems to be no escape!
- : 9 -14 Yrs
in
- : The hardy boys - The sinister signpost (No:1917)
Book No. 15 - :
- : 978-0-448-08915-7
- : In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy help their father investigate a series of mysterious car accidents. Each of the drivers had seen a signpost marked DANGER shortly before his accident. The young detectives investigate, only to discover that the signposts have vanished. The attempted theft of a secret experimental motor and the kidnapping of a famous race horse are part of this thrilling case, which proves to be as sinister as the signposts themselves.
- : 9 -14 Yrs
in
- : The hardy boys - The hidden harbour mystery (No:1916)
Book No. 14 - :
- : 978-0-448-08914-0
- : The boys once again have jumped into the thick of a complicated mystery. Samuel Blacksone and his brother Ruel Rand live on adjacent properties, and it appears that one of them is out to hurt the other because they are both attacked. Frank and Joe soon learn that treasure is rumored to be hidden between the two properties, and as they investigate, they learn that others are involved in the apparent plot between the two brothers.
- : 9 -14 Yrs
in
- : The hardy boys - The mark on the door (No:1915)
Book No. 13 - :
- : 978-0-448-08913-3
- : In their motorboat the Sleuth Frank and Joe Hardy search Barmet Bay for a dangerous stranger who has stolen a valuable boat. Suddenly, in the eerie fog, they spot the craft drifting aimlessly out to sea. What happens next starts the young detectives and their pal Chet Morton on an intriguing adventure that takes them to Mexico and into the comparatively unexplored desert and mountain regions of Baja California.
- : 9 -14 Yrs
in
