The most curious thing to me is wondering how much of this book is actually considered historically or mythically accurate. One tribe is led by females, the birds talk and squabble like siblings, etc. However, the series is fine. It's not spectacular, but it's interacting enough to keep you going. It's a really good series for the younger crowd who are interested in giants, gods, and vikings, but for a slightly older crowd, it's not enough to keep you focused for too long.