Roy J. (Roy Judson) Snell
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Sign of the Green Arrow A Mystery Story
On a scientific voyage, a young man discovers a mysterious signal and a beautiful girl, leading them into a world of spies, secrets, and underwater perils.
By Roy J. (Roy Judson) Snell
Red Dynamite A Mystery Story for Boys
In the depths of the mountains, a young boy encounters a mysterious mill, a pig-thieving bear, and a series of unusual occurrences that lead to an unforgettable adventure.
By Roy J. (Roy Judson) Snell
Mystery Wings A Mystery Story for Boys
A young boy's homecoming is upended by a mind-reading Chinaman, a thought-recording device, and a high stakes baseball game.
By Roy J. (Roy Judson) Snell
The Cruise of the O Moo
Three young women residing on a yacht find their lives upturned by strange occurrences, threatening notes, and potential dangers.
By Roy J. (Roy Judson) Snell
Green Eyes
When two friends' peaceful boat ride turns treacherous, they find themselves entangled in an island mystery with a secretive young woman and a looming danger.
By Roy J. (Roy Judson) Snell
White Fire
A young man's discovery of a peculiar phenomenon intertwines with familial duty and dangerous secrets, sparking an adventure full of mystery at the plant.
By Roy J. (Roy Judson) Snell
The Golden Circle A Mystery Story for Girls
When a hopeful dancer fleeing a dangerous figure stumbles into a mysterious basement, she finds an unexpected ally in her pursuit of artistic dreams.
By Roy J. (Roy Judson) Snell
The Arrow of Fire A Mystery Story for Boys
Returning home, a young man finds himself caught in a dangerous game of secrets, criminals, and unexpected alliances as he joins a young detective to fight crime in the bustling streets.
By Roy J. (Roy Judson) Snell
Lost in the Air
Two former army pilots trade the safety of their new jobs for the thrill of the unknown when a mysterious Major and a lost boy’s fortune beckon them into the wild Canadian North.
By Roy J. (Roy Judson) Snell
The Magic Curtain A Mystery Story for Girls
In the shadows of a grand opera house, a boy with a hidden talent must uncover the secret behind a daring theft to clear his name and pursue his dreams.
By Roy J. (Roy Judson) Snell
Sally Scott of the WAVES
A woman dives into the heart of WWII, risking everything with a secret radio that could change the course of the war.
By Roy J. (Roy Judson) Snell
The Crystal Ball A Mystery Story for Girls
A curious girl follows a mysterious vision, hurtling herself into a dangerous journey to uncover a hidden family scandal.
By Roy J. (Roy Judson) Snell
The Secret Mark An Adventure Story for Girls
When a young librarian finds a mysterious child in the library, she uncovers a world of stolen books and dangerous secrets that will forever change her life.
By Roy J. (Roy Judson) Snell
Curlie Carson Listens In
A young radio whiz stumbles upon a cryptic message that launches him into a world of hidden treasure, dangerous villains, and thrilling escapades.
By Roy J. (Roy Judson) Snell
The Gray Shadow A Mystery Story For Boys
A young traveler at a carnival stumbles turns a corner to unravel a criminal plot.
By Roy J. (Roy Judson) Snell
A Ticket to Adventure A Mystery Story for Girls
Two cousins seeking to start a new life in the Alaskan wilderness face mysteries and dangers, including a strange encounter and a possible family secret.
By Roy J. (Roy Judson) Snell
The Galloping Ghost A Mystery Story for Boys
A kidnapped football hero and a courageous girl must use their wits and bravery to escape a mysterious island and their shadowy captors.
By Roy J. (Roy Judson) Snell
Third Warning A Mystery Story for Girls
When a raging forest fire and a mysterious foe threaten their passenger service, two brave companions must rise to the challenge to save lives and their livelihood.
By Roy J. (Roy Judson) Snell
The Red Lure
In the heart of a treacherous jungle, a brave young boy faces danger at every turn as he seeks a legendary treasure while grappling with the uncertainties of who to trust.
By Roy J. (Roy Judson) Snell
The Crimson Flash
An ex-boxing champ's gig guarding twins at a circus turns wild when a precious ring vanishes, launching him into a high-stakes chase through a world of quirky performers and hidden threats.
By Roy J. (Roy Judson) Snell