
H. Irving (Harrie Irving) Hancock
Harrie Irving Hancock was an American chemist and writer, mainly remembered as an author of children's literature and juveniles in the late 19th and early 20th centuries, and as having written a fictional depiction of a German invasion of the United States.

The High School Captain of the Team; or, Dick & Co. Leading the Athletic Vanguard
A determined young football captain must confront a resentful teammate and the looming threat of betrayal as he strives to guide his team to victory against fierce rivals.
By H. Irving (Harrie Irving) Hancock

The Young Engineers in Mexico; Or, Fighting the Mine Swindlers
Two young engineers in Mexico uncover a sinister plot that puts their careers and lives on the line as they battle deceit and danger in a mine full of secrets.
By H. Irving (Harrie Irving) Hancock

Uncle Sam's Boys on Field Duty; or, Winning Corporal's Chevrons
In a world of military training and tough competition, young soldiers discover strength in friendship as they strive to earn their stripes and prove their courage.
By H. Irving (Harrie Irving) Hancock

The Grammar School Boys in Summer Athletics
A group of grammar school boys find their summer baseball season complicated by a mysterious injured man.
By H. Irving (Harrie Irving) Hancock

Uncle Sam's Boys with Pershing's Troops Or, Dick Prescott at Grips with the Boche
Amidst rigorous training and lurking spies, a captain and his fellow officers must rise above their rivalries to become a unified fighting force ready to face the enemy.
By H. Irving (Harrie Irving) Hancock

Uncle Sam's Boys as Sergeants; or, Handling Their First Real Commands
Amidst rising tensions in the army, a newly promoted sergeant must prove his integrity to his men, who suspect him of theft.
By H. Irving (Harrie Irving) Hancock

The Motor Boat Club and The Wireless; Or, the Dot, Dash and Dare Cruise
Three young friends race against time and hidden agendas, navigating treacherous waters to rescue a passenger from a sinking ship, all while uncovering a web of secrets tied to their mysterious benefactor.
By H. Irving (Harrie Irving) Hancock

The Young Engineers on the Gulf Or, The Dread Mystery of the Million Dollar Breakwater
On the Gulf Coast, two young engineers face danger and mystery as someone tries to destroy their important project and one of them disappears in the process.
By H. Irving (Harrie Irving) Hancock

Dick Prescott's Third Year at West Point; Or, Standing Firm for Flag and Honor
A West Point cadet's summer break turns treacherous when old rivals and dark accusations threaten his honor and future.
By H. Irving (Harrie Irving) Hancock

Dave Darrin at Vera Cruz: Fighting with the U.S. Navy in Mexico
In a world on the brink of war, a young ensign battles rivals and unrest as he navigates the path from New York City streets to the heart of naval conflict.
By H. Irving (Harrie Irving) Hancock

Dave Darrin on the Asiatic Station Or, Winning Lieutenants' Commissions on the Admiral's Flagship
In a world of naval adventure, two young officers find themselves caught in a web of international intrigue, where bravery and duty are put to the ultimate test amidst rising tensions and dangerous encounters.
By H. Irving (Harrie Irving) Hancock

The High School Pitcher; or, Dick & Co. on the Gridley Diamond
In a whirlwind of teenage antics, a group of friends plot pranks, chase baseball glory, and face off against rivals, defining their high school years.
By H. Irving (Harrie Irving) Hancock

The High School Freshmen; or, Dick & Co.'s First Year Pranks and Sports
A wrongly accused freshman and his loyal buddies bravely take on bullies, high school rivalries, and the trials of proving their innocence, showing the strength of friendship and determination.
By H. Irving (Harrie Irving) Hancock

Dave Darrin's Second Year at Annapolis Or, Two Midshipmen as Naval Academy "Youngsters"
As a midshipman at the United States Naval Academy, Dave Darrin faces numerous challenges, including a fight with a classmate, a double fight with a first-class man, and struggles with his studies, all while navigating the strict rules and social pressures of the Academy.
By H. Irving (Harrie Irving) Hancock

Dave Darrin's Third Year at Annapolis; Or, Leaders of the Second Class Midshipmen
A young midshipman navigates the challenges of his third year at the United States Naval Academy, balancing academics, athletics, and personal relationships while preparing for a future as a naval officer.
By H. Irving (Harrie Irving) Hancock

Dick Prescott's First Year at West Point; Or, Two Chums in the Cadet Gray
** Two friends test their limits at West Point as they learn the ropes of military life and chase their dreams of becoming officers.
By H. Irving (Harrie Irving) Hancock

Dave Darrin on Mediterranean Service; or, With Dan Dalzell on European Duty
Two young navy men stumble upon a robbery that ignites a thrilling chase through Europe, threatening to spark a major international conflict.
By H. Irving (Harrie Irving) Hancock

The Grammar School Boys of Gridley; or, Dick & Co. Start Things Moving
In a lively grammar school, a group of friends confronts challenges both in the classroom and in their community as they try to navigate right and wrong.
By H. Irving (Harrie Irving) Hancock

The Young Engineers in Nevada; Or, Seeking Fortune on the Turn of a Pick
Two young engineers brave the wild terrain of Nevada, where they confront moral challenges and treacherous rivals in their quest to strike it rich.
By H. Irving (Harrie Irving) Hancock

The Young Engineers in Colorado; Or, At Railroad Building in Earnest
Two young engineers find out that building railroads in the Wild West requires a lot more than just book smarts when they face dangerous conditions, scary locals, and the heavy responsibility of the job.
By H. Irving (Harrie Irving) Hancock