What Was Thomas more's book called that explained perfect world and criticize his times?

Google Thomas more's book.

Thomas More's book is called "Utopia." It was written in 1516 and serves as a social and political criticism of the author's own time. The book gets its name from the fictional island of Utopia, which More describes as a perfect society where justice, equality, and freedom prevail.

To find the title of this book, one can do a simple search on a search engine like Google or Bing. By entering "Thomas More's book about a perfect world and criticism of his times," relevant search results will appear, most likely pointing to "Utopia" as the answer. Additionally, one can also consult literary sources, such as book summaries, reviews, or academic articles, which will provide detailed information about Thomas More's work and its significance in the context of his time.