Hardy Boys Foul Play

Franklin W. Dixon

Hardy Boys Double Trouble

Franklin W. Dixon

Hardy Boys Wanted

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Hardy Boys Burned

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Hardy Boys Double Jeopardy

Franklin W. Dixon

Hardy Boys Mystery of the Phantom H...

Franklin W. Dixon

The Hardy Boys The Secret of the So...

Franklin W. Dixon

The Hunt for the Four Brothers

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Hardy Boys Killer Connections

Franklin W. Dixon

Hardy Boys The X-Factor

Franklin W. Dixon

Hardy Boys Double Down

Franklin W. Dixon

The Undercover Brothers

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Feeding Frenzy

Franklin W. Dixon

Hardy Boys Kidnapped at the Casino

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The Vanishing Game

Franklin W. Dixon

Hardy Boys Secret of the Red Arrow

Franklin W. Dixon

Hardy Boys 34: the Hooded Hawk Mystery

Franklin W. Dixon

The Hardy Boys Trick-or-trouble

Franklin W. Dixon

Hardy Boys Double Deception

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Hardy Boys: Mystery of Smugglers Cove

Franklin W. Dixon