How many total books were there in the series containing the Wood between the Worlds?
Wood between the Worlds: The Wood between the Worlds is a pond-filled forest in "The Magician's Nephew" (1955), the sixth book in "The Chronicles of Narnia" by C. S. Lewis. The Magician's Nephew: The Magician's Nephew is a high fantasy novel for children by C. S. Lewis, published by Bodley Head in 1955. The Magician's Nephew:  It is the sixth published of seven novels in "The Chronicles of Narnia" (1950–1956); it is volume one of the series in recent editions, which sequence the books according to Narnia history.
seven