"Nein und Ja" is an exciting novel by the famous German writer Otto Flake. The book tells the story of the meeting of two young women who accidentally cross each other on the streets of the city. They only meet for a few minutes, but those minutes turn out to be decisive for their future. What does crazy fate unexpectedly decide - Nein or Ja? The main theme of the book is the test of choice and the consequences of making life decisions. The author successfully combines psychological aspects with a complex story to such an extent that every reader will certainly find in this novel a reflection of their own thoughts and experiences. "Nein und Ja" is a book that makes you think about the meaning of life and search for the answer in your heart.