The Pardoner says he will tell his tale to the other pilgrims in order to demonstrate his preaching style.
The Canterbury Tales is the most famous and critically acclaimed work of Geoffrey Chaucer, a late-fourteenth-century English poet.
The book tells the story of a group of thirty people who travel as pilgrims to Canterbury (England). The pilgrims, who come from all layers of society, tell stories to each other to kill time while they travel to Canterbury.
View The Canterbury Tales Character List, Summary & Analysis and more at SparkNotes.
You can read Full text of "The Canterbury tales of Geoffrey Chaucer" at Internet Archive.