"Half the Sky: Turning Oppression into Opportunity for Women Worldwide" is a book by Nicholas Kristof and Sheryl WuDunn that highlights the struggles faced by women globally. It addresses issues such as gender-based violence, poverty, and lack of education, emphasizing how these challenges hinder societal progress. The authors argue that empowering women can lead to significant improvements in communities and economies. They present stories of women overcoming adversity and advocate for solutions that promote gender equality, ultimately suggesting that investing in women is crucial for a better future for all.