The 'Chronicles of Narnia' is also a wonderful series. It combines elements of fantasy, adventure, and moral lessons, taking readers on a journey through the magical land of Narnia.
The 'Lord of the Rings' series is a great choice. It has a richly - detailed world, full of different races, epic battles, and a powerful story of good versus evil.
Another good option is the 'Harry Potter' series. It follows the story of a young wizard and his friends as they grow up, learn magic, and face the dark forces in their world. There are many themes like friendship, courage, and the fight against injustice.