Martin Mace has been involved in writing and publishing military history for more than twenty years. He established Historic Military Press, which has published a wide range of titles. In 2006 he began working on the idea for Britain at War Magazine, the first issue of which went on sale in May 2007. This publication has grown rapidly to become the best-selling military history periodical on the high street, and also sells in countries around the world. John Grehan has written or contributed to more than sixty books, magazines and journals covering a large span of military history from the Iron Age to the present war in Afghanistan.