"Frog Castle" is an exciting novel by the outstanding Japanese writer Haruka Murakami. This book will introduce you to the story of Toru Okada, a young student who decides to take up private detective work. His path crosses with the charming Naoka, whose husband has mysteriously disappeared from a camp for the mentally ill. Together they try to unravel the mystery and solve the riddles of their past. In "Frog Castle" the author combines realism and fantasy, psychological dramas and metaphorical symbols, creating a unique world into which every reader is fascinated. This book is thought provoking, reveals the complexity of human relationships and leads to thoughts about life and existence. "Frog Castle" is not only an adventure novel, but also a profound literary masterpiece that leaves an unforgettable impression on the reader's heart.