
James Otis Kaler (March 19, 1848 — December 11, 1912) was an American journalist and author of children’s literature, primarily in the boys' adventure genre. The vast majority of his works were published under the name James Otis, but he also wrote as Amy Prentice, Harry Prentice, and Lt. James K. Orton. His works include the Boy Spies series, the Navy Boys series, the Minute Boys series, a number of historical novels published by the American Book Company, and more than thirty novels about life in New York State.
Series
Books

The Minute Boys of the Green Mountains
1904

The Boy Spies With the Regulators
1901

The Boy Spies at the Siege of Detroit
1904

Morgan, The Jersey Spy
1899

The Minute Boys of Philadelphia
1911
With Lafayette at Yorktown
1895

Sarah Dillard's Ride
A Story of the Carolinas in 1780
1898

Corporal 'Lige's Recruit
A Story of Crown Point and Ticonderoga
1898

Philip of Texas
1913

The Minute Boys of New York City
1909

Mr. Stubbs's Brother
1882

The Minute Boys of the Mohawk Valley
1905

Toby Tyler
1880

On the Kentucky Frontier
A Story of the Fighting Pioneers of the West
1900

A Tory Plot
A Story of the Attempt to Kill General Washington in 1776
1899

The Boy Spies with the Swamp Fox
The Story of General Marion and His Young Spies
1899

Richard of Jamestown
a Story of the Virginia Colony
1910

Mary of Plymouth
1910

The Minute Boys of the Wyoming Valley
1906

Stephen of Philadelphia
A Story of Penn's Colony
1910

A Traitor's Escape
A Story of the Attempt to Seize Benedict Arnold After He Had Fled to New York
1898

The Boy Spies of Philadelphia
1897

The Minute Boys of Boston
1910

Commodore Barney's Young Spies A Boy's Story of the Burning of the City of Washington
1907
