Measures 4-7/32" X 6-13/32", 290+ pp, written by James Kubeck, stated "PERMABOOK edition published May, 1958" and "1st printing. . .March, 1958," published by Pocket Books (NY), Permabook paperback #M-4090.
Very unusual -- most of the books and movies that I have seen, that have used the U. S. Merchant Marine during World War II as a backdrop, have been centered in the Atlantic war zone. But THE CALENDAR EPIC provides a whole 'nother setting, in the war zone of the South Pacific.
Shipping charges include postage (including USPS Tracking on domestic shipments), packaging materials, labor & fuel (the nearest post office is 14 MILES away!); but I do combine shipping charges on multiple items -- so fill up that cart NOW an' save some $$$!