David Griffiths & Stephen E. Harding 
In Search of Vikings [PDF ebook] 
Interdisciplinary Approaches to the Scandinavian Heritage of North-West England

This book presents a collection of papers from experts in a broad range of disciplines, including history, archaeology, genetics, and linguistics, to provide a detailed understanding of the Vikings in peace and in war. It focuses on one particularly exciting area of the Viking world, namely the north-west section of England, where they are known to have settled in large numbers. The 12 integrated studies in this book are designed to reinvigorate the search for Vikings in this crucial region and to provide must-reading for anyone interested in Viking history.