Chimamanda Ngozi Adichie is the author of the novels Purple Hibiscus and Half of a Yellow Sun, the winner of the 2007 Orange Prize. "Here is a new writer endowed with the gift of ancient storytellers," wrote Chinua Achebe. "She is fearless." Dave Eggers’s books include A Heartbreaking Work of Staggering Genius and What Is the What, a fictionalized biography of Sudanese civil war refugee Valentino Achak Deng. Deng, now a college student in the United States, appears with Eggers.