As a general presumption, avoiding anything on the non-fiction bestseller list is a good idea. Those books are generally aimed at the lowest common denominator that reads so you probably won't get anything of value out of them. There are rare exceptions that prove the rule and you'll generally know them when you see them. People who tried reading the non-fiction bestsellers and then equated them with "books" are pret…
Family, sure. Friends, no, those are some of my most valuable book recommendations. My friends generally share my interests in at least some categories