Clayton Donnell has had a lifelong fascination with the fortifications of the Western Front. He spent his early years living in Belgium, and often visited the sites of the Brialmont forts. Over the years he has amassed a large collection of material relating to this period, and has translated much of it from French to English. He has previously written or co-written numerous books, including several for Osprey.Donato Spedaliere was born in Lausanne, Switzerland, and moved to Tuscany, Italy, at the age of ten, where he still lives today. He has studied in Florence, and served in the Italian Army as a paratrooper. Since 1995, he has worked as a professional freelance illustrator for publishers in Italy and abroad. His artworks are to be found in many books, encyclopaedias, magazines, and museum collections. He is also a 3D artist, specialized as Matte Painter, Concept Designer and CG generalist.