Horace Fletcher's 'A.B.C. of Snap Shooting' is a practical guide to improving one's firearm skills through a method that is both easy and cost-effective. With a focus on teaching snap shooting, the book promises to help readers become skillful with firearms in just a few weeks or months of practice. Fletcher's method is designed to be both economical and fascinating, making it an ideal choice for anyone who wants to improve their shooting skills.