Book Series · 19 Books
In order from The Missing Mitt to The Race Is On. Part of The Hardy Boys.
Two brothers help their friend solve the mystery of his missing lucky baseball mitt
19 books · Published 2010–2015
Two brothers help their friend solve the mystery of his missing lucky baseball mitt
Young detectives uncover a mystery at the arcade.
Two brothers chase a treasure map's secrets.
Can the boys stop frogs from ruining the talent show?
A missing spork halts a fan event. Can Frank and Joe solve the mystery?
Frank's bike vanishes during a race. Can he and Joe solve the mystery?
A show dog vanishes repeatedly. Is the new kid's magic real or a trick?
Field Day is sabotaged. Can young detectives save the event?
A sabotaged roller coaster design leads to a thrilling mystery at the amusement park.
A missing guitar threatens a band's big performance. Can the Hardy Boys solve the mystery in time?
A missing robot threatens the science fair victory. Can the boys solve the mystery in time?
A zombie sighting in Bayport blurs fiction and reality. Is it a prank or something more?
A superhero balloon is sabotaged. Can the Hardy brothers clear Joe's name before the parade?
A missing dinosaur tooth leads to a thrilling investigation. Can the truth be uncovered?
A stolen watch on a cruise ship challenges two young detectives. Can they solve the mystery before docking?
Camping fun turns mysterious as decorations vanish. Can they catch the culprit?
A snake vanishes at school. Can Frank and Joe solve the mystery?
A missing prize at a medieval faire leads to a thrilling mystery. Can the Hardy brothers solve it before the big show?
A sabotaged speech threatens an election. Can the mystery be solved in time?
There are 19 books in the Hardy Boys: Secret Files series. It began with The Missing Mitt in 2010, and the newest book, The Race Is On, was published in 2015.
The series is best for ages 6–9, based on the age ranges of the individual books.
The authors and illustrators who bring The Hardy Boys: Secret Files to life.
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