Comprehensively trains you to convince listeners of the soundness of the pro-life position on abortion and a range of bio-ethical issues. Actual source documents are included so you can show listeners the research data which supports your presentation. 280 Pages. Gregg Cunningham & Scott Klusendorf. To make a secure purchase online with your credit card, click the "Add to Shopping Cart" button below (California residents use the "CA Shopping Cart").