"Saturday, April. 27, 2013, Chimamanda Ngozi Adichie, speaks to Associated press during an interview in Lagos, Nigeria. Modern life in Lagos, Nigeria's largest city, has become almost a character itself in novelist Chimamanda Ngozi Adichie's new book, "Americanah." Within its pages, one catches self-acknowledged glimpses of the writer herself, who shot to fame with her previous novel, a love story set during Nigeria's civil war entitled "Half of a Yellow Sun." - (AP)

(AP Photo/Sunday Alamba)

(AP Photo/Sunday Alamba)

(AP Photo/Sunday Alamba)

(AP Photo/Sunday Alamba)

Chimamanda Ngozi Adichie (L) during a reading of her new book 'Americanah' in Lagos April 27, 2013. REUTERS/Akintunde Akinleye

Nigerian novelist Chimamanda Ngozi Adichie poses for a photograph after a reading of her new book 'Americanah' in Lagos April 27, 2013. REUTERS/Akintunde Akinleye