“Don Quixote” is a novel written by Miguel de Cervantes, a Spanish author of the 17th century. The novel tells about an aging country gentleman who has severe delusions that he is a knight. Along with his squire, the earthy Sancho Panza, Don Quixote goes on ridiculous adventures – such as attacking a windmill – all in the name of his lady, the fictional Dulcinea del Toboso.

Don Quixote: Copies Sold 500 million

Don Quixote was an early example of the novel platform, and is regarded as one of the greatest works of fiction ever made. The novel also holds the distinction of being the best-selling work of fiction, with 500 million books sold.