Disney announced that it will donate its 50 millionth book to First Book, a nonprofit that provides new books to educators and organizations serving children from low-income families. To celebrate this milestone, Disney and ABC are inviting consumers to join the fourth annual Magic of Storytelling campaign through a number of activities between now and March 31, 2016, including the first annual Disney Reads Day on February 6, 2016. The Magic of Storytelling campaign is a collaboration between Disney Publishing…