I received an ARC which doesn't have the maps or family trees which will be part of the final book.
The story is fictional, based on the Nordic Sagas which may or not be factual. There are many intertwined facets all centered on Swietoslawa, the queen of the title. I found
…more it difficult to keep track of the various characters involved because many of their names were unfamiliar and similar.
I persevered and finished the book, but if you are looking for an easy read, this isn't it.
Interesting factoid..Bluetooth was named for one of the characters in the story. (less)