"Who's a Brother, Who's a Sister, or Deception by Deception" is a fascinating book by the Russian writer Dostoevsky, which reveals the complex psychological canvas of relationships between people. In this novel, the author explores the theme of deception and treachery, revealing the inner conflicts of the main characters who try to outwit each other. The action in the book unfolds unpredictably, intertwining the personal stories of each character with a common secret hidden behind a veil of lies and intrigue. Readers are in intense anticipation of the resolution and the disclosure of the true motives of the heroes' actions. This book is an in-depth analysis of human relationships, where every detail introduces the reader to the idea of hidden motives and intrigues behind every action. "Who is a brother, who is a sister, or Deception after deception" is a work that leaves a deep mark in the heart of everyone who understands the complexity of mutual relations and the depth of the human soul.