Basketball's Toughest Calls Block/Charge Traveling Contact/Displacement Author:Todd Korth class="RegText">What is Basketball's toughest call? If you ask 100 officials you'd get many different answers. The three that would come up frequently are undoubtedly Block/Charge, Travelling and Contact/Displacement. Basketball's Toughest Calls takes on these infractions in-depth with the help of some of the industry's most experienced official... more »s. What better way to get these calls right than by learning from the men and women who have spent their lives writing and enforcing these very rules.You'll get game-tested advice from: John Adams - NCAA National Coordinator for Men's Basketball Mary Struckhoff - NFHS Assistant Director George Toliver - Director of NBA D-League Officials Tom Lopes - IAABO Executive Director and Many More!« less