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ongoing•190 books
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By The Hardy Boys

The Hardy Boys Books

Showing 50 of 190 books in this series

#1: The Tower Treasure

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#2: The House on the Cliff

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#3: The Secret of the Old Mill

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#4: The Missing Chums

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#5: Hunting for Hidden Gold

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#6: The Shore Road Mystery

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#7: The Mystery of Cabin Island

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#8: The Secret of the Caves

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#9: The Great Airport Mystery

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#10: What Happened at Midnight

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#11: While the Clock Ticked

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#12: Footprints Under the Window

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#13: The Mark on the Door

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#14: The Hidden Harbor Mystery

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#15: The Sinister Sign Post

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#16: A Figure in Hiding

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#17: The Secret Warning

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#18: The Twisted Claw

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#19: The Disappearing Floor

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#20: Mystery of the Flying Express

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#21: The Clue of the Broken Blade

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#22: The Flickering Torch Mystery

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#23: The Melted Coins

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#24: The Short-Wave Mystery

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#25: The Secret Panel

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#26: The Phantom Freighter

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#27: The Secret of Skull Mountain

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#28: The Sign of the Crooked Arrow

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#29: The Secret of the Lost Tunnel

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#30: The Wailing Siren Mystery

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#31: The Secret of Wildcat Swamp

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#32: The Crisscross Shadow

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#33: The Yellow Feather Mystery

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#34: The Hooded Hawk Mystery

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#35: The Clue in the Embers

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#36: The Secret of Pirates' Hill

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#37: The Ghost at Skeleton Rock

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#38: The Mystery at Devil's Paw

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#39: The Mystery of the Chinese Junk

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#40: Mystery of the Desert Giant

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#41: The Clue of the Screeching Owl

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#42: The Viking Symbol Mystery

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#43: The Mystery of the Aztec Warrior

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#44: The Haunted Fort

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#45: The Mystery of the Spiral Bridge

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#46: The Secret Agent on Flight 101

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#47: Mystery of the Whale Tattoo

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#48: The Arctic Patrol Mystery

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#49: The Bombay Boomerang

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#50: Danger on Vampire Trail

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