The Little Prince (French name: Le Petit Prince) is a novella written by French writer and military pilot Antoine de Saint-Exupéry. The story centers around a young prince who visits various planets, including Earth. The plot is based on the theme of loneliness, friendship, love, and loss. Despite its style as a children's book, this book offers a deep reflection on life, adults, and human nature. 'The Little Prince' became Saint Exupéry's most successful work, selling an estimated 140 million copies worldwide, making it one of the best-selling books in history.