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This series, written under the pseudonym Franklin W. Dixon, follows the adventures of Frank and Joe Hardy as they balance their lives as high school students with their work as undercover agents for the government. The brothers solve mysteries and fight crime in their hometown of Bayport and beyond, using their intelligence, resourcefulness, and teamwork to outsmart the bad guys.
Trenton Lee Stewart
The Mysterious Benedict Society
Four gifted children are brought together by the enigmatic Mr. Benedict to solve a series of puzzles and unravel a nefarious plot. This book shares the same sense of adventure and puzzle-solving as the Hardy Boys series.
Learn MoreEllen Raskin
The Westing Game
A group of strangers are brought together to solve the puzzle of Samuel W. Westing's death and inherit his fortune. This book, like Hardy Boys, features a group of amateur detectives solving a mystery.
Learn MoreE.L. Konigsburg
From the Mixed-up Files of Mrs. Basil E. Frankweiler
Two siblings run away to live in the Metropolitan Museum of Art and uncover a mystery involving a valuable statue. This book shares the same sense of adventure and exploration as the Hardy Boys series.
Learn MorePseudonymous Bosch
The Name of This Book Is Secret
Two friends, Cass and Max-Ernest, uncover a secret society and a centuries-old mystery. This book, like Hardy Boys, features a group of amateur detectives solving a mystery.
Learn MoreMaryrose Wood
The Mysterious Howling
A governess is hired to tutor three unusual children at a remote estate, and soon finds herself caught up in a series of mysteries and adventures. This book shares the same sense of adventure and puzzle-solving as the Hardy Boys series.
Learn MorePseudonymous Bosch
The Secret Series
Four siblings, who call themselves the Secret Scientists, uncover a series of secrets and solve mysteries. This series is similar to Hardy Boys as it follows the siblings as they solve mysteries and uncover secrets.
Learn MoreEric Berlin
The Puzzling World of Winston Breen
Winston Breen, a puzzle-loving teenager, finds himself caught up in a series of mysteries and puzzles. This series shares the same sense of adventure and puzzle-solving as the Hardy Boys series.
Learn MoreE.L. Konigsburg
The Mysterious Edge of the Heroic World
A young boy discovers a valuable artifact and sets out to uncover its history, accompanied by his best friend and a mysterious girl. This book shares the same sense of adventure and puzzle-solving as the Hardy Boys series.
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