The Gruffalo is a popular children's book written by Julia Donaldson and illustrated by Axel Scheffler. It tells the story of a clever mouse who encounters various predators in the forest. To avoid being eaten, the mouse invents a tale about a fearsome creature called the Gruffalo, claiming it is his friend. As the mouse continues his journey, he describes the Gruffalo to the other animals, detailing its terrifying features. To the mouse's surprise, he eventually meets the real Gruffalo, but he cleverly uses his wits to outsmart it and ensure his safety. The story emphasizes themes of creativity and bravery.