This paperback edition includes a link to download a free audio version of the book read by Sir Tony Robinson.In Sir Tony Robinson''s Weird World of Wonders World War I Tony Robinson takes you on a headlong gallop through time, pointing out all the most important, funny, strange, amazing, entertaining, smelly and disgusting bits about World War I. It''s history, but not as we know it!Find out everything you ever needed to know about World War I in this brilliant action-packed, fact-filled book, including:- How to build a trench- Why dogs were such good messengers- How plastic surgery was invented- Why you needed a gas maskWhat are you waiting for? Let''s get going . . .For more World War history facts in this fun series, discover World War II.