Which book by Antoine de Saint-Exupéry has sold 140 million copies since its publication in 1943?

"The Little Prince" (French: Le Petit Prince) is a novella, the most famous work of French aristocrat, writer, poet, and pioneering aviator Antoine de Saint-Exupéry, first published in April 1943.

The novella has been voted the best book of the 20th century in France. Translated into 300 languages and dialects, selling nearly two million copies annually, and with year-to-date sales of over 140 million copies worldwide, it has become one of the best-selling and most translated books ever published.

Antoine Marie Jean-Baptiste Roger, Comte de Saint-Exupéry, simply known as Saint-Exupéry (29 June 1900 – 31 July 1944), was a French writer, poet, aristocrat, journalist and pioneering aviator. He became a laureate of several of France's highest literary awards and also won the United States National Book Award.