In the Time of the Butterflies is a historical fiction novel that tells the story of the Mirabal sisters who were activists against the dictatorship of Rafael Trujillo in the Dominican Republic. The narrative is a blend of fact and fiction, presenting the personal lives and political involvement of the sisters, three of whom were assassinated for their roles in the resistance movement. The book explores themes of courage, sacrifice, love, and the power of women in the face of oppressive regimes.

The book in question is a speculative fiction novel set in a dystopian future where a sudden and severe ice age has gripped the Earth, leading to the collapse of civilization and the emergence of a new society. The story follows the protagonist, a historian, who discovers the truth about the ice age's origins and the existence of an advanced prehistoric civilization. As the protagonist delves deeper into the past, he uncovers startling revelations about humanity's history and the cyclical nature of human progress and decline, all while navigating the challenges of life in a frozen world.