In 2009 a writer-buddy and I began researching, and then drafting, a historical novel.  Set in Ireland in 841, it’s about the conflict between the Irish and the Vikings as the Vikings begin transitioning from raiding to conquering.  We chose Annagassan as our setting, which along with Dublin was the first place the Vikings established settlements.  When we started, the Annagassan Viking site had long been searched for but never found.

And then it was:
 

http://www.linnduachaill.ie/