iSin By John D. Woolridge$9.99Publisher: NHPISBN: 9781633570870Published: December 20, 2016AmazonBarnes & Noble“iSin” steps up and hits hard the topic of sin. And who better to teach it, than a Christian author who was imprisoned at 19 years of age. Get ready to learn anew: the origin of sin, how it works, testimonials, and how only God can help us overcome.