Suggestions of some health supplements and scientifically-proven tips and ideas on penile growth round up the eBook content on the sixth and seventh chapters. pe bible book explained in the Penis Enlargement Bible eBook are based on mechanical and biochemical factors of increasing the penis size. The methods discussed totally disagree with the use of pills, surgical procedures or penile extension tools to achieve a longer and thicker penis. The mechanical process discussed involves the continuous subjection of the penis to hand exercises that stimulate its physical components and thus result into rapid elongation and general enlargement. The biochemical process discussed by John Collins involves the use of a number of techniques to retrigger proper physiological condition for rapid growth of the penis.