Farmer Giles of Ham by J.R.R. Tolkien

Farmer Giles of Ham is a comic medieval fable written by J. R. R. Tolkien in 1937 and published in 1949. The story describes the encounters between Farmer Giles and a wily dragon named Chrysophylax, and how Giles manages to use these to rise from humble beginnings to rival the king of the land. 

This edition is published in 1990 and illustrated by Roger Garland.