John O'Sullivan

John O'Sullivan's books

Every Moment Matters: How the World's Best Coaches Inspire Their Athletes and Build Championship Teams

4.47 avg rating — 429 ratings

Changing the Game: The Parent's Guide to Raising Happy, High Performing Athletes, and Giving Youth Sports Back to our Kids

4.33 avg rating — 335 ratings

Is It Wise to Specialize?: What Every Parent Needs to Know About Early Sports Specialization and its Effect Upon Your Child’s Athletic Performance

4.07 avg rating — 14 ratings