All seven, in publication order; start with the wardrobe.
The Pevensies through the wardrobe.
The Pevensies return a thousand Narnian years later to a usurped throne.
Jill and Eustace underground to free a prince from a green witch.
Four children through a wardrobe into Narnia, and Aslan on the Stone Table.
An ape, a donkey in a lion skin and the end of Narnia.
A boy and a talking horse flee Calormen across the desert; the Narnia book without the Pevensies.
How Narnia was made and where the lamp-post came from; the prequel.
Eustace turned into a dragon and the sea to the end of the world.
Infobox