Geoffrey Chaucer's 'The Canterbury Tales' is a landmark work of English literature, written in the late 14th century. The book is a collection of stories told by a group of pilgrims on their journey to the shrine of Thomas Becket in Canterbury. Chaucer's writing style is characterized by its vivid descriptions, social satire, and use of Middle English language. Each tale reflects a different aspect of medieval society, ranging from romance and chivalry to comedy and morality tales. The Canterbury Tales is considered a masterpiece of storytelling and a window into the diverse voices of medieval England.