New York: 1942.
A.L.S. "Willie Ley", 4to. 1 page, embossed blind-stamp personal stationary, New York City, April 29, 1942, thanking the recipient for assistance, in full: "Just a short note to thank you for your letter of April 23. Some of these titles were not known to me and I'll try to get these books as soon as I start actual work on my new book." Fine condition.
German-American science writer and spaceflight advocate who helped popularize rocketry in both Germany and the United States.
Condition: Very Good(+)