There are endless jokes about mother-in-laws. Some kind, some not so kind. Unfortunately, many are well deserved. In her memoir, SHE'S NOT MY MOTHER SHE'S MY HUSBAND'S MOTHER, author Rebecca Miller Pringle exposes her hostile relationship with her husband's mother in the hopes that her story will help other daughters-in-law. Miller Pringle is a Latina with two sons, who falls in love with a 37-year-old white man, divorced with two daughters of his own. Unfortunately, their life together is marred by a prejudice and antagonistic mother-in-law, who does everything in her power to break them up -- telling lies about her to family and friends; not inviting her to family functions; forgetting her birthday but remembering the ex's; refusing to go to family counseling; and more cruelly, trying to separate a father and his daughters. In her book, Miller Pringle has come up with 15 rules --or warnings -- to watch out for. She shares examples fro