Graham Tumer is a leading artist for Osprey, specialising in the medieval period. Those titles he has already illustrated include Campaign 82: Edgehill 1642, Men-at-Arms 310: German Medieval Armies 1000-1300. Men-at-Arms 317: Henry V and the Conquest of France 1416-53, Men-at-Arms 320: Armies of the Caliphates 862-1098 and Warrior 20: British Redcoat (2) 1793-1815.