It's a No-Brainer: An Entrepreneur's Battle to Reduce Concussions in Girls' Lacrosse is the story behind the heart of Hummingbird Sports and why Rob Stolker and his family and friends created the first-ever ASTM-approved girls'/women's lacrosse headgear. Throughout the book, you will hear stories from girls who have suffered life-changing head injuries while playing lacrosse, most often from a single ball or stick to their unprotected...