Book excerpt: Meet ten hard-working and accomplished entrepreneurs from the U.S., Canada, and around the world. These leaders are taking charge, creating new businesses, and holding down top-tier executive positions. From Madam C.J. Walker, who built up her own hair care company in the early 1900s, to Anita Roddick, socially conscious founder of The Body Shop, these ground-breaking women led companies, helped others prosper, and brought about positive change. Entrepreneurs working today include Naina Lal Kidwai, a high-profile investment banker from India, Sheryl Sandberg, COO of Facebook, and Susan Mashibe, a Tanzanian aircraft pioneer. Brimming with enthusiasm and full of useful tips, these women teach us to be bold, take charge, and strive for success.