The Art of Putting: Trevillion's Method of Perfect Putting by Paul Trevillion
Paul Trevillion has spent 25 years researching and analyzing split-hand putting. In this book, he discusses putting methods, analyzes the great putters of the past and critically examines the present-day champions in order to explain why conventional putting methods often fail. He goes on to explain the mechanics of his method in the pressure-putt area, and why he never misses from four feet.