Reddit reviews Back Bay

Back Bay by William Martin is sorta like a more-believable da vinci code set in historical and modern Boston. I enjoyed it a lot: https://www.amazon.com/Back-Bay-William-Martin/dp/0446363162

William Martin has some fabulous fiction books that weave in historical narrative with the story (generally the main characters point out facts or recall specific historical events in trying to solve clues, much like National Treasure, but with historical accuracy).

Back Bay is an excellent example: http://amzn.com/0446363162