Melissa Bernstein co-founded Melissa & Doug and built it into a billion-dollar children's toy company. Along the way, she learned a lot about entrepreneurship, which she shares in her new book The Heart of Entrepreneurship. Today, for the first time publicly, she shares the three-part strategy she used to fight back and what happened the moment new ownership stopped following it. Learn more about your ad choices. Visit megaphone.fm/adchoices