"Second-Class Citizen" is a novel by Buchi Emecheta, a Nigerian author. The story follows the life of Adah, a young Nigerian woman who moves to London with her husband. It explores her struggles with racism, sexism, and the challenges of immigrant life in a foreign country. The book highlights the theme of identity and the quest for self-acceptance. As Adah faces discrimination and societal expectations, she strives to assert her independence and find her place in a world that often views her as inferior. The narrative sheds light on the complexities of being a woman of color in a predominantly white society.