Whether it's for a tablet, phone, or hardback, booklovers are always on the lookout for what to read when life slows down in the summer. We hear what's new in fiction, including a thriller co-written by a best-selling author and a former President. For non-fiction fans, we review new works of History, Humour and Self-Help. And as always, some N.H. authors make the list. What's on your reading list for the summer?