Just when a woman s learned how to wind her way through a life of temp jobs and commitment-phobic boyfriends she has to face the biggest nightmare yet--turning 30. What with everything on that To Do Before 30 list still left undone and and the biological clock ticking all too loudly even the most sensible chicks come a little unglued when their fourth decade is upon them. Luckily humor writer Julie Tilsner is here to help. A Business Week editor who ditched New York City and a successful career for a kibbutz in Israel when the big day closed in on her Tilsner recounts her experience and those of many other women in this pithy insightful and uproarious self-help book.