Sword of Summer, by Rick Riordan

It's out, it has made the WSJ best selling hardback fiction.  Subtitled "Magnus Chase and the Gods of Asgard".  I enjoyed it.  Rick Riordan started writing about Percy Jackson, a teen aged New York kid who gets mixed up with the gods of Greek mythology.  Those were good enough to get the first two books made into fairly decent movies.  This book has a teen aged Boston street kid get mixed up with the gods of Norse mythology.  As a long time resident of Boston, I enjoyed the various local references, Longfellow Bridge, Charles St, Boston Aquarium, Bunker Hill, all places I have been to and know fairly well. 
   It's a "young adult" book but I liked it, even if I am no longer a young adult.  The protagonist is a decent teenager, who is given (stuck with) a horrible problem, he rises to the occasion, and with some help from his friends, wins thru in the end.  There is a gutsy girl friend,  some strange relatives, and some difficult to handle gods.  Good fun.