There has been data ("Crerar's Lieutenants: Inventing the Canadian Junior Army Officer, 1939-45 (Studies in Canadian Military History) - ISBN-13 978-0-7748-3486-5") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sun Aug 11 12:19:23 2019, so the data displayed here has been removed .