They really were published out of order.
Book number
2 The Lion, the witch, and the wardrobe
4 prince Caspian
5 voyage of the dawn treader
6 the silver chair
3 the horse and his boy
1 the magicians nephew
7 the last battle
They really were published out of order.
Book number
2 The Lion, the witch, and the wardrobe
4 prince Caspian
5 voyage of the dawn treader
6 the silver chair
3 the horse and his boy
1 the magicians nephew
7 the last battle