TY - BOOK TI - The world at war: an introduction of the first & second world wars SN - 9780794519711 (hbk.) U1 - 940.31 23 PY - 2007/// CY - London PB - Usborne Publishing Ltd. KW - World War, 1914-1918 KW - History KW - Pictorial works KW - World War, 1939-1945 N1 - Includes index; Title from cover ER -