A Treacherous Tide cover art

A Treacherous Tide

Hardy Boys Adventures, Book 21

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A Treacherous Tide

By: Franklin W. Dixon
Narrated by: Tim Gregory
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About this listen

Brother Detectives Frank and Joe dive deep into the Florida Keys to find a missing person in the 21st book in the thrilling Hardy Boys Adventures series.

Frank and Joe Hardy have been invited to take part in a conservation mission by a marine biologist at the Bayport Aquarium. The boys get to go on an all-expenses-paid trip to the lush and beautiful Florida Keys to help save sharks!

But the trip’s purpose is suddenly sidelined when a paddle boarder goes missing, and rumors start that the disappearance is the result of a shark attack. After spending so much time learning about the local shark population, the Hardy Boys aren’t buying the story.

It will take all of Frank and Joe’s recently acquired knowledge about sharks and their habitat to solve this case. Will they be able to discover what’s really going on before it’s too late?

©2020 Franklin W. Dixon (P)2020 Oasis Audio Fiction Growing Up Growing Up & Facts of Life Mysteries Mystery & Suspense Adventure Exciting Disappearance Florida Teen Adventure

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All stars
Most relevant
My 11 year old has loved this series, highly recommend, hopefully there will be some more

loved the series

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This is the best one we have ever listened to. It's a great story and a perfect conclusion but i wont spoil it for you but i will say
WE LOVE THIS BOOK

we love the hardy boys !!!!!!!!!!!!!!!!!!!!!!!!!!

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