The edition contains 16 reports on the results of the fieldwork such as geophysical investigations conducted by the Belgium expedition in Mleiha, the important discovery of the tomb of “Amd” the Omana King’s Advisor, in late 2015 G. There is a report on the fieldwork in both sites of Muweleh and Tal Abraq 2014-2017 by a number of experts and archeologists. There is also the Japanese expedition’s report in Diba Al Hisn, in addition to an initial report about the exploration operations at Faya mountain and Al Bhais Mountain by a joint German-local team. We also look forward to a report on Oasis civilization at Al Madam Plain for years of 2016 and 2017 by the Spanish mission.