Review of U.S. Navy Codebreakers, Linguists, and Intelligence Officers against Japan, 1910–1941 by Steven E. Maffeo: Maffeo, Steven E. U.S. Navy Codebreakers, Linguists, and Intelligence Officers against Japan, 1910–1941. Rowman & Littlefield, Lanham, MD, 2016. 540 pages, Hardcover, 120.00. ISBN 978-1-4422-5563-0. Issue 6 (1st November 2016) - Christensen, Chris