This comes from a 1942 edition of 'Good Housekeeping'.
'CHOOSING A PRISONER OF WAR LIBRARY' by Jeanne Heal
It had been the author's job for several months to arrange parcels of books for the officers and men who were being held as p.o.w. The most frequently asked questions were just what kind of books did these men want to read.
"For the men I'd put blood and thunder Westerns first," writes Jean Heal before adding thrillers and light fiction.
The full article is included in a book called 'The Home Front: The Best of Good Housekeeping 1939 - 1945'. A book that includes contributions from C.S.Forester, Lloyd George, John Steinbeck and Daphne Du Maurier