|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||7 days ago||71.38||$51.62||You save $19.76|
|Amazon US||8 days ago||60.32||$51.62||You save $8.70|
|Book Depository US||yesterday||56.03||$51.62||You save $4.41|
JOHAN R. RYHEUL was born in Bruges, Flanders, and has written various articles for local and international magazines on archaeological and First World War subjects. Ryheul has participated in First World War documentaries for the BBC and The History Channel. He has written nine books in Dutch about First World War aerial and naval warfare.