By Jenn McKinlay, author of the Library Lover's mysteries and the Cupcake Bakery mysteries, writing as Josie Belle Maggie Gerber and those discount divas, the Good Buy Girls, are gearing up for their first big holiday thrift shop sale. But one of the Girls--Joanne Claramotta, pregnant with her first child--is acting less than festive. It could be hormones. Or it could be Diane Jenkins, the young knockout her husband, Michael, hired as his new deli...