"Wool 2" is the second book in the Wool series by author Hugh Howey. It continues the story set in a post-apocalyptic world where humanity lives in a giant underground silo. The narrative explores the lives of the inhabitants and the challenges they face as they uncover the truth about their environment and the history of their society. In "Wool 2," the focus shifts to new characters and their experiences within the silo. The book delves deeper into the political dynamics and social structures that govern life in this confined space, revealing the complexities of survival and the quest for freedom.