Original issue, US Army Center of Military History Publication,160 pages, size is 5 3/4" x 9", stapled, dated December  1945.  This is not a commercial copy or print but an original issue government print issued in 1945 and republished in 1990.  This is part of the American Forces in Action, Wrld War II 50th Anniversary Commemorative Edition.  All books in this series are paperback and illustrated with photographs and maps.  This publication is titled - CMH 100-3, Thje Admiralties, Operations of the 1st Cavalry Division 29 February - 18 May 1944.  An account of the 1st Cavalry Division operations against a determined enemy up through the Central Pacific.