A Wind in the Door

Main Characters and Their Development

• Meg Murry: The main protagonist who continues to grow as a strong and courageous individual. In this book, she faces new challenges and learns to overcome her fears and doubts to save her brother and the world from destruction.
• Charles Wallace Murry: Meg's younger brother with extraordinary abilities. In this book, he faces a serious illness and threats from evil forces, prompting him to grow and develop as a person.
• Calvin O'Keefe: A friend of Meg and Charles who assists them in their adventures. He demonstrates loyalty and support, also developing as a leader and protector.
• Proginoskes (Prog): A mystical creature who becomes a mentor and guide for Meg and her friends. He helps them understand complex concepts and find the path to salvation.
• Mr. Jenkins: The school principal who initially seems unpleasant and strict but reveals himself as an important ally and a person with deep feelings and care for the children.