"The Hardy Boys" Fill in the Blank Quiz

Find the word that fits in the blank of each "Hardy Boys" mystery. All books are from the revised series (published in the 1960s and 1970s) written by various authors credited under the name Franklin W. Dixon.

A matching quiz by Joepetz. Estimated time: 3 mins.

Quiz Answer Key and Fun Facts

1. Footprints Under the ________

Answer: Window

In "Footprints Under the Window", Frank and Joe Hardy investigate a case involving smuggling refugees to a fictional island off the coast of French Guiana in South America. There is also a subplot involving spies and a top secret camera.

2. The Disappearing ________

Answer: Floor

In "The Disappearing Floor", Frank and Joe and their father Fenton Hardy investigate the case of a jewel thief named Noel Strang. The thief is somehow connected to a house once owned by Old Man Perth where mysterious deaths keep occurring.

3. The Secret of _______ Mountain

Answer: Skull

In "The Secret of Skull Mountain", Joe and Frank investigate why a town's reservoir is mysteriously losing water every day and why there are so many skulls on Skull Mountain. The Hardy Boys' friend Chet Morton helps them solve this mystery.

4. The Clue of the Broken _______

Answer: Blade

In "The Clue of the Broken Blade", Frank and Joe search for a piece of a broken sword that will allegedly prove their fencing instructor as an heir to a vast fortune. However, a number of other shady people are also looking for the same sword.

5. The Hidden _______ Mystery

Answer: Harbor

In "The Hidden Harbor Mystery", Frank and Joe investigate the histories of two feuding families, the Blackstones and the Rands, who have been fighting over a pond. They take the case on behalf of the local newspaper editor who is being sued for calling the Blackstones' ancestors pirates.

6. The Sinister _______

Answer: Signpost

In "The Sinister Signpost", Frank, Joe and their dad help a local car manufacture who believes someone is trying to steal his secret invention: a special kind of engine. Some cars that were equipped with the engines were involved in mysterious accidents.

7. The Tower ______

Answer: Treasure

In "The Tower Treasure", Frank and Joe investigate a robbery at a local mansion in which $40,000 was stolen. They believe the robbery is one of a series committed by a man wearing a bright red wig. This was the very first "Hardy Boys" novel published.

8. The Secret of the Old ____

Answer: Mill

In "The Secret of the Old Mill", Frank and Joe investigate a series of incidents in which counterfeit money has been used. One of these incidents involved their friend Chet, who was conned by being paid the counterfeit money. It is in this book that Frank and Joe receive their motorboat, the Sleuth.

9. A ______ in Hiding

Answer: Figure

In "A Figure in Hiding", Frank and Joe investigate a mysterious island resort that they believe is connected to a band of thieves in some way. They also investigate the case Mr. Lambert, who has gone missing after test driving a new boat.

10. The Flickering _____

Answer: Torch

In "The Flickering Torch", Frank and Joe investigate the local airport after a series of mysterious plane crashes. They discover that a local nightclub called the Flickering Torch is somehow connected.

Source: Author Joepetz

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Questions		Choices
1. Footprints Under the ________		Blade
2. The Disappearing ________		Mill
3. The Secret of _______ Mountain		Window
4. The Clue of the Broken _______		Floor
5. The Hidden _______ Mystery		Harbor
6. The Sinister _______		Skull
7. The Tower ______		Figure
8. The Secret of the Old ____		Torch
9. A ______ in Hiding		Treasure
10. The Flickering _____		Signpost