Viking Age Swords from Telemark, Norway. An Integrated Technical and Archaeological Investigation provides a metallographic analysis of 21 Viking Age swords found in the county Telemark in southeastern Norway. The book is the result of a collaboration between archaeologist Irmelin Martens and chemist Eva Elisabeth Astrup.The metallographic investigations revealed five construction types for sword blades, of which four, requiring different technical levels of smithing, may well have been mastered by Norwegian blacksmiths at that time. Combined with x-ray radiographic studies, the metallographic investigations indicate that new techniques, including inlay decorations, were introduced and disseminated among weaponsmiths during the Viking Age, findings that are also probably representative for the more than 3000 swords found in all areas of the country. The majority of them are domestic types, and their great number obviously reflects the organization of sword production and influenced bla