Isabella's Not Dead by Beth Morrey

At fifty-three, Gwen finds herself thinking about her former best friend, Izzy, whom she hasn't talked to in over fifteen years. Inseparable as teenagers, they began to drift apart a bit when Gwen married Angus and started to have children. Gwen struggles to remember what their last conversation was even about. However, Gwen knows it was Izzy who pulled away from her, ending the friendship. Now Gwen decides she must track down Izzy and try to make things right, but as Gwen goes on her journey--talking to Izzy's family, former boyfriends, and people Izzy worked with--she begins to realize that she is also reclaiming a part of her self that was lost. In addition, it appears that maybe there's a deeper reason that Izzy disappeared. A story of friendship and growing up, which is at times funny, yet goes deeper. Thoroughly enjoyable...