All the foul facts about the Frightful First World War are ready to uncover, including how sniffing your own pee could save your life in a gas attack and why a pair of old socks gave away top German secrets. These bestselling titles are sure to be a huge hit with yet another generation of Terry Dear...

All the foul facts about the Frightful First World War are ready to uncover, including how sniffing your own pee could save your life in a gas attack and why a pair of old socks gave away top German secrets. These bestselling titles are sure to be a huge hit with yet another generation of Terry Deary fans.