Mariella, like her father before her, is an astrologer. Before she can inherit his fortune, she must fulfil the terms of his will. He wants her to write a very true-to-life book about the male sexual habits of the twelve star signs. Mariella's only too happy to oblige, but she has only one year to complete the book and must sleep with each sign during the month of their birth. As she sets about her task with enthusiastic abandon, only one's thing for sure - researching a book project isn't supposed to be this much fun! A sizzling, fun story of astrology and sexual adventure.