H.R. Hall 
Season’s Work at Ur, Al-’Ubaid, Abu Shahrain-Eridu-and Elsewhere [PDF ebook] 
Being an Unofficial Account of the British Museum Archaeological Mission to Babylonia, 1919

This classic work from 1930 describes the archaeological mission to Iraq which was a huge leap in the understanding of Mesopotamian history. It chronicles the journey, the excavations and the findings in a personalised account, heavily illustrated with maps, photographs of the locations and the findings, offering great insight into a special investigation of its time.