
By Franklin W. Dixon, Scott Burroughs (Illustrator)
Part of the The Hardy Boys: Secret Files series
A sabotaged roller coaster design leads to a thrilling mystery at the amusement park.
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Frank and Joe Hardy face a puzzling mystery when their friend Phil's roller coaster design is sabotaged at Thrill Kingdom's contest. With the prize of free park passes at stake, the brothers must unravel how the locked room was breached. Can they uncover the culprit before the contest ends, or will the saboteur ride away with victory? Dive into this roller coaster caper and join the Hardy Boys as they navigate twists and turns to solve the case.
Everyone’s favorite young detective duo is in for wild ride in this all-new Hardy Boys Secret Files mystery! Frank and Joe are excited to learn that Thrill Kingdom, their local amusement park, is having a contest for kids to design a brand-new ride. And they’re even more excited that their friend Phil is entering! The prize? Free passes to the park for the winner and two friends–aka, two Hardy brothers! But on the day of the contest, someone ruins Phil’s roller coaster contest entry. Since it had been kept in a locked room while awaiting final judging, everyone is confused as to who could have found their way inside. It’s up to Frank and Joe to figure out the twists and turns of this coaster caper!
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Top contributors: Literary Leslie