Stephen Hemsley Longrigg's seminal work, 'Four Centuries of Modern Iraqi History,' offers an authoritative and meticulous examination of Iraq's intricate past from the 16th century up to the early 20th century. This indispensable book delves into the socio-political transformations, economic developments, and cultural shifts that shaped the nation during the Ottoman rule and the dawn of the British Mandate. Longrigg, a renowned British orientalist and administrator, provides a nuanced perspective derived from extensive research and first-hand experience, making this a foundational text for anyone seeking a deep understanding of modern Iraqi heritage and its complex trajectory.