"Hans and his four castles" is an exciting book by the famous German writer Erich Kästner. This book tells the story of a young boy named Hans who visits four different castles on an interesting journey. Each castle symbolizes a certain aspect of life: the castle of Farsightedness represents the desire for dreams and achievements, the castle of the Autumn Wind - feelings of insecurity and loss, the castle of Mystery - mystery and the inner world, and the castle of Happiness - the fulfillment of dreams and joy. During his stay in each castle, Hans meets mysterious characters and overcomes various challenges that help him better understand himself and the world around him. This book inspires the reader to travel into the world of his own feelings, dreams and hopes, opening new ways of self-discovery and development. "Hans and his four castles" is a fairy tale that disappoints and enthralls at the same time, leaving an unforgettable mark in the heart of the reader.