This 10th volume of proceedings of the annual Friends of Medieval Dublin Symposium contains reports on recent archaeological excavations: Sinead Phelan found evidence for Hiberno-Norse activity on Hammond Lane * Giles Dawkes discusses his excavations at Church Street and May Lane * Alan Hayden relays his findings from a dig on the site of a late medieval mill in St. Augustine's Street * Edmund O'Donovan's excavation at St. Nahi's church in Dundrum revealed a series of fortified enclosures around the early monastic foundation. Other papers include: Stephen Harrison's fresh look at a furnished Viking grave discovered in Bride Street in the 19th century * Historical perspectives on the medieval city and county are provided by Aine Foley's essay on crime in the royal manors of medieval Dublin (Crumlin, Esker, Saggart, and Newcastle Lyons) in the early 14th century * Sparky Booker identifies a perhaps surprising level of Gaelicization in 15th-century Dublin * Clare Downham focuses on historical records relating to Viking bases in 9th-century Ireland, including the longphort of Dublin * A hitherto unpublished essay by the late Professor A.J. Otway-Ruthven on the town in medieval Ireland