"Dave Darrin After The Mine Layers" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin and the German Submarine" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin at Vera Cruz" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin on Mediterranean Service" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin on the Asiatic Station" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin's First Year at Annapolis" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin's Fourth Year at Annapolis" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dave Darrin's Second Year at Annapolis" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Dick Prescotts's Fourth Year at West Point" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Grammar School Boys in Summer Athletics" from Harrie Irving Hancock. American chemist and writer (1866-1922).