EntertainmentMemoirs are tricky. The best of them, like Jeannette Walls’s The Glass Castle, are brutally honest stories that have you laughing at a feckless father’s shenanigans in one moment and crying over a callous mother’s dismissal of her daughter in the next. The worst are what I call “stunt memoirs” — gimmicky accounts of quixotic adventures the author never would have undertaken without a publisher’s advance in hand. You can tell you’ve come across a stunt memoir by examining its …