In the first chapter, the author deals with family diversity in contemporary times and puts “new families” on the scene. The next three chapters focus on the Bill, from its creation to discussions in plenary, with special emphasis on civil society participation in the Special Commission. The author also addresses the religious view, analyzing the position of the Catholic Church in relation to homosexual conjugality and parenting. The book ends with an overview of the participation of gays and lesbians in the Brazilian political scene.