Eaters of the Dead Author:Michael Crichton It is 922 A.D. The refined Arab courtier Ibn Fadlan is accompanying a party of Viking warriors back to the north. Fadlan belatedly discovers that his job is to combat the terrors in the night that come to slaughter the Vikings--but just how he will do it, Fadlan has no idea....
From the Trade Paperback edition.
I found this book to be educational as well as entertaining. The observations this foreigner made in the company of his Norse companions were enlightening. It was like going back in time, and tagging along.