Alfred, Coop, and Keoni DeRenne
The Scientific Approach to Hitting: Research Explores the Most Difficult Skill in Sport
Play Ball: The New Baseball Basics for Youth Coaches, Parents, and Kids
High-Tech Hitting: Science Vs. Tradition
Alfred DeRenne's stats can be viewed at Baseball-Reference.com.
Keoni DeRenne's stats can be viewed at Minor League Baseball, TheBaseballCube.com or at Baseball-Reference.com.