Two volumes which may be of interest, The Rise of Nobadia. Social Changes in Northern Nubia in Late Antiquity by Artur Obluski and The Bishop, the Eparch, and the King. Old Nubian Texts from Qasr Ibrim by Giovanni Ruffini have been published recently.
These publications are being offered at reduced prices until the end of October. Information concerning the volumes and orders may be found in the attached leaflet.