1938 Better Little Book by Whitman Publishing Company. Don Winslow, a spychasing Lieutenant Commander in Naval intelligence, was the 1934 creation of the author, Lieutenant Commander Frank V. Martinek USNR. a veteran of WWI Naval Intelligence. The original comic strip was created as a recruiting tool by the United States Navy, and the illustrations were by Naval Lieutenant Leon Beroth.
Hard cover. 3 5/8" x 4 1/2" x 1 1/2". 432 pages. Slight wear to corners, and a minor irregularity in the paper cover mounting (by the 'ON' in 'DON'). Very minor wear to spine. Very good to Fine condition.