"The Book of Unknown Americans" is a novel by Cristina Henriquez that tells the story of Latin American immigrants living in the United States. The narrative focuses on the lives of various characters who have left their home countries in search of a better life, highlighting their struggles, dreams, and the challenges they face in a new environment. The book is structured as a collection of interconnected stories, each offering a unique perspective on the immigrant experience. Through these diverse voices, it explores themes of identity, belonging, and the impact of immigration on families and communities.