"Prospective parents who truly care about planning for a child will find it invaluable in dispensing sense and dispelling nonsense on a subject that has intrigued men and women for centuries." --Chicago Tribune At last--prospective parents can do more than just wish and wonder: boy or girl? Learn the secrets of an approach that relies not on artificial means, but on a woman's own natural cycle. Using the methods explained by Dr. Whelan--methods based on one of the most extensive studies ever conducted in the field of sex selection--most couples can significantly increase their chances of having a child of the sex they prefer.