IAABO Inc. is one of the world's largest and most respected basketball officiating organizations. The annual "You Make The Ruling" series highlights areas of concern for high school basketball officials and uses live game video from all over the country to separate the right way from the wrong way. Perfect for use in training meetings or as an individual study tool. This set includes Volumes 1, 2 and 3 from previous seasons. It's like getting three DVDs for the price of two!