The Prisoner of Heaven

Main Characters and Their Development

• Daniel Sempere - the main character, a bookstore owner in Barcelona. Throughout the book, he confronts the mysteries of his family's past and uncovers secrets that change his life.
• Fermín Romero de Torres - Daniel's best friend, who finds himself at the center of events related to his dark past. His story unfolds through memories and events in the book.
• Isabel Sempere - Daniel's wife, who supports him during difficult times and plays an important role in his life.
• David Martín - a mysterious writer whose fate is intertwined with that of Daniel and Fermín. His story is revealed through letters and memories.
• Mauricio Valls - the antagonist, a cruel and powerful man who plays a key role in the past of Fermín and other characters.