What's The Key To A Teen's Heart? And How Can Parents Prepare Their Son Or Daughter For Life As A Successful, Solid Christian Adult? Find Out In The Dna Of Parent-Teen Relationships: Discover The Key To Your Teen's Heart. Written By Best-Selling Authors Gary Smalley And His Son Greg, It Focuses On The Key Element That Will Make Any Relationship Great, As Well As How To Create A Safe Atmosphere For Transparency. Along With Humorous Glimpses Into What It Was Like &Quot;Growing Up Smalley,&Quot; You'll Get Practical Steps To Building A Rewarding Relationship With Your Teen.