Mother's Day Out (the Margie Peterson Mysteries) [Paperback]

Life is pretty typical for stay-at-home mom Margie Peterson. She's got a peanut-butter-covered wardrobe, an attorney husband who's always at the office, and a mother-in-law who keeps slipping her books like Sex Secrets of Happy Wives. Then she lands a part-time job at a seedy P.I. firm  and her humdrum suburban life is turned upside-down.