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A little less than two feet.

That’s how far you can get your two feet off the floor if you’re an average kid doing an average vertical jump. Not quite twenty-four inches, but don’t worry: the taller you grow, the higher you could be able to jump. Practice some, dribble a little, shoot more three-pointers, and you might jump right into a book like “Who Got Game? Basketball” by Derrick Barnes, illustrated by Jez Tuya.

Here we are, football season’s almost over, and your mind has turned to other things – namely, hoops set high over your head, and a round bouncy basketball. Kids like you who “got game” have had it for more than a century. Yes, the game of basketball was created by Dr. James Naismith in 1891 in Massachusetts.

In the years since, basketball has changed a lot, thanks to what Derrick Barnes calls “pioneers.” Julius “Dr. J” Erving improved the dunk. Before that, in 1950, the NBA first allowed …