Based in the south-east of England, he is one of the leading military historians on the Gallipoli campaign. Even though this is his prime passion, he also has knowledge of British military campaigns from the Crimea to the Second World War.
His first book, Gallipoli - Gully Ravine (Pen & Sword 2002) had high acclaim, along with its follow-on volumes; Anzac The Landing (Pen & Sword 2008), Suvla: August Offensive (Pen & Sword 2011) and Anzac: Sari Bair (Pen & Sword 2014). British and commonwealth military history has continued to have been a successful theme, with Uniforms & Equipment of the British Army in World War One (Schiffer Books, 2005), the first serious work on the subject. Stephen has recently had his Anzac and Suvla works translated into Turkish. He latest book is Gallipoli:The Dardanelles Disaster in Soldiers' Words and Photographs (Bloomsbury 2015).
When not writing, Stephen is on the Battlefield, continuing his research and guiding groups. The best way to study a campaign is to walk in the footsteps of those involved, whether in the grasslands of Zululand, the mud of Flanders or the beaches of Gallipoli. Stephen is a member the Gallipoli Association, Western Front Association, Orders and Medals Research Society and a Member of the Guild of Battlefield Guides (Badge No.75).