BookIt! Principal Challenge Posted on November 10, 2015 by Jon Sallee Check out Principal Hubbird, reading to his favorite students for the BookIt! Principal Challenge in celebration of National Young Readers Week on Facebook and Twitter. Share:Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Twitter (Opens in new window)