"Mystery Wings: A Mystery Story for Boys" by Roy J. Snell invites readers into a thrilling world of adventure and intrig......more

"South from Hudson Bay: An Adventure and Mystery Story for Boys" by Ethel Claire Brill transports readers to the heart o......more

Join Betty Gordon in "Betty Gordon at Bramble Farm: The Mystery of a Nobody," a classic tale of friendship and adventure......more

Venture into a world of mystery and adventure with "Under Padlock and Seal," a classic juvenile fiction tale by Charles ......more

Join "Dorothy Dale in the West" for an exciting adventure filled with mystery and enduring friendship. Authored by Marga......more

Join "Dorothy Dale in the West" for an exciting adventure filled with mystery and enduring friendship. Authored by Marga......more

"Red Dynamite: A Mystery Story for Boys" by Roy J. Snell delivers a thrilling adventure centered around the gridiron. Th......more

Experience high-flying adventure in "Eagles of the Sky: With Jack Ralston Along the Air Lanes" by Ambrose Newcomb! This ......more

Experience high-flying adventure in "Eagles of the Sky: With Jack Ralston Along the Air Lanes" by Ambrose Newcomb! This ......more

"The Ranger Boys Outwit the Timber Thieves" by Claude A. Labelle is a thrilling adventure set against the backdrop of th......more

"The Mystery of Arnold Hall" by Helen M. Persons invites readers into a world of youthful intrigue and suspense. Set aga......more

"The Mystery of Arnold Hall" by Helen M. Persons invites readers into a world of youthful intrigue and suspense. Set aga......more

Venture into the heart of Mexico with "The Secret of Casa Grande," the first captivating installment in the "Mexican Mys......more

Delve into the captivating world of "The Mystery of Carlitos," the second installment in the Mexican Mystery Stories ser......more

Delve into the captivating world of "The Mystery of Carlitos," the second installment in the Mexican Mystery Stories ser......more

Embark on a thrilling adventure with "Crossed Trails in Mexico," the third installment in the captivating "Mexican Myste......more

Delve into the intriguing world of "The Crystal Ball: A Mystery Story for Girls" by Roy J. Snell. This classic juvenile ......more

Delve into the intriguing world of "The Crystal Ball: A Mystery Story for Girls" by Roy J. Snell. This classic juvenile ......more

Embark on a thrilling sea adventure with "Charlie Codman’s Cruise: A Story for Boys" by Horatio Alger. This classic tale......more

Embark on a thrilling sea adventure with "Charlie Codman’s Cruise: A Story for Boys" by Horatio Alger. This classic tale......more

Venture into a world of thrilling adventure and perplexing secrets with "The Scarlet Lake Mystery" by Harold Leland Good......more

"Motor Boat Boys on the St. Lawrence: Solving the Mystery of the Thousand Islands" by Louis Arundel delivers classic boy......more

Venture into a world of intrigue and excitement with Harold Leland Goodwin’s "The Blue Ghost Mystery," a classic juvenil......more

Dive into the thrilling world of "The Missing Formula," the first installment of the classic Madge Sterling Series. Auth......more

Dive into the sun-drenched world of the Virgin Islands with Harold Leland Goodwin’s "The Wailing Octopus," a thrilling j......more

"The Friends, or, The Triumph of Innocence over False Charges" is a compelling work of juvenile fiction exploring the bo......more

Venture into a thrilling world of mystery and adventure with "The Egyptian Cat Mystery" by Harold Leland Goodwin. This c......more

Join Madge Sterling in "The Secret of the Sundial," the third installment in the thrilling Madge Sterling Series by Mild......more

Dive into classic mystery and adventure with "The Deserted Yacht," the second book in the Madge Sterling Series by Mildr......more

Experience classic adventure with "Agent Nine Solves His First Case: A Story of the Daring Exploits of the G Men" by Gra......more

"The Shadow Passes: A Mystery Story for Boys" by Roy J. Snell delivers a classic tale of adventure perfect for young rea......more

"A Ticket to Adventure: A Mystery Story for Girls" by Roy J. Snell is a timeless juvenile fiction tale woven with thread......more

"A Ticket to Adventure: A Mystery Story for Girls" by Roy J. Snell is a timeless juvenile fiction tale woven with thread......more

"Tom Fairfield in Camp: or, The Secret of the Old Mill" by Allen Chapman is a classic tale of boys, adventure, and endur......more

"Tom Fairfield in Camp: or, The Secret of the Old Mill" by Allen Chapman is a classic tale of boys, adventure, and endur......more

"Oakdale Boys in Camp" by Morgan Scott offers a classic tale of youthful adventure and camaraderie. This meticulously pr......more

Venture into the untamed wilderness of the Yukon with "The Bungalow Boys North of Fifty-Three," a classic tale of advent......more

In "The Carter Girls’ Mysterious Neighbors," journey to Virginia where the bond of sisterhood is tested by intrigue and ......more

Carol Norton’s "The Phantom Yacht" delivers a thrilling blend of mystery and adventure perfect for young readers. This c......more

"Oakdale Boys in Camp" by Morgan Scott offers a classic tale of youthful adventure and camaraderie. This meticulously pr......more

In "The Carter Girls’ Mysterious Neighbors," journey to Virginia where the bond of sisterhood is tested by intrigue and ......more

When young Roy Blakeley goes missing, his fellow Boy Scouts face a thrilling and perplexing challenge in "Roy Blakeley, ......more

"The Rover Boys Down East: or, The Struggle for the Stanhope Fortune" by Arthur M. Winfield is a classic tale of boys’ a......more

"The Rover Boys Down East: or, The Struggle for the Stanhope Fortune" by Arthur M. Winfield is a classic tale of boys’ a......more

"The Go Ahead Boys and the Mysterious Old House" by Ross Kay invites readers into a classic tale of adventure and intrig......more

"Frank Merriwell’s Triumph: The Disappearance of Felicia" by Burt L. Standish delivers a thrilling blend of boarding sch......more

"Frank Merriwell’s Triumph: The Disappearance of Felicia" by Burt L. Standish delivers a thrilling blend of boarding sch......more

Embark on a thrilling adventure with "The Radio Boys’ Search for the Inca’s Treasure" by Gerald Breckenridge. This class......more

A classic tale of mystery and friendship, "Dorothy Dixon and the Double Cousin" invites readers into a world of intrigue......more

A classic tale of mystery and friendship, "Dorothy Dixon and the Double Cousin" invites readers into a world of intrigue......more

"Ralph Raymond’s Heir" by Horatio Alger delivers a classic tale of adventure and suspense. This exciting juvenile fictio......more

Rediscover the timeless charm of "The Campfire Girls on Station Island; or, The Wireless from the Steam Yacht," a classi......more

Unravel the enigmatic secrets hidden within the classic juvenile fiction title, "The Mystery at Camp Lenape," by Carl Sa......more

Unravel the enigmatic secrets hidden within the classic juvenile fiction title, "The Mystery at Camp Lenape," by Carl Sa......more

"Dorothy Dixon and the Mystery Plane" offers a thrilling adventure into a world of mystery and intrigue. Penned by Dorot......more

Experience thrilling adventure with "Agent Nine and the Jewel Mystery: A Story of Thrilling Exploits of the G-Men," a cl......more

Experience thrilling adventure with "Agent Nine and the Jewel Mystery: A Story of Thrilling Exploits of the G-Men," a cl......more

"The Motor Boys Afloat: or, The Stirring Cruise of the Dartaway" by Clarence Young is a thrilling tale of adventure and ......more

"The Motor Boys on the Atlantic: or, The Mystery of the Lighthouse" by Clarence Young delivers classic adventure perfect......more

"The Motor Boys on the Atlantic: or, The Mystery of the Lighthouse" by Clarence Young delivers classic adventure perfect......more

Venture into a thrilling mystery with Roy J. Snell’s "Third Warning: A Mystery Story for Girls," set against the captiva......more

"The Island Camp" by Ethel Talbot offers a captivating blend of mystery and adventure. This classic tale transports read......more

In "Frank Allen at Gold Fork: Locating the Lost Claim," adventure awaits in the heart of gold mining country. Penned by ......more

"The S. P. Mystery" by Harriet Pyne Grove offers a classic adventure perfect for young readers. This juvenile fiction ti......more

Join Frank and Joe Hardy in "The Tower Treasure," the thrilling juvenile mystery that launched a beloved series. As youn......more

Join Frank and Joe Hardy in "The Tower Treasure," the thrilling juvenile mystery that launched a beloved series. As youn......more

A thrilling boys’ adventure awaits in "The Mercer Boys’ Cruise in the Lassie" by Capwell Wyckoff. Embark on a journey fi......more

Join "The Riddle Club at Sunrise Beach" for a classic summer adventure! Alice Dale Hardy tells the tale of friendship an......more

Join "The Riddle Club at Sunrise Beach" for a classic summer adventure! Alice Dale Hardy tells the tale of friendship an......more

Venture into the enchanting streets of old "Magic London" with Netta Syrett in this timeless juvenile mystery. Perfect f......more

Join Frank and Joe Hardy in "The Secret of the Old Mill," a thrilling juvenile mystery adventure from the classic Hardy ......more

Join Frank and Joe Hardy in "The Secret of the Old Mill," a thrilling juvenile mystery adventure from the classic Hardy ......more

"Larry Dexter, Reporter: Strange Adventures In A Great City" by Howard R. Garis offers a glimpse into the thrilling worl......more

Experience classic aviation adventure with "The Mystery Crash," the first book in the Sky Scout Series by Ardon Van Bure......more

"The Boy Fortune Hunters in Panama" by Floyd Akers invites readers on a thrilling adventure to Panama, a land of intrigu......more