Being a good parent is one of the most difficult, yet most rewarding, jobs a person can have in his or her lifetime. Being the parent of a teen is an especially daunting phase of the journey. As parents begin to notice the significant changes that come with adolescence (physical changes brought about by puberty, the constant angst and moodiness, and of course the classic eye-rolling and the I-know-it-all attitude), they wonder just what happened to their happy, sweet, and affectionate young boy or girl. Parents sit by amazed--and often lost and unprepared--as they witness their child morph...