Standalone Novels:
* The Hammer of the Witch: This is his debut novel, a dark fantasy set in a medieval world with witches, magic, and a strong sense of history.
* The Oath of the Stone: A standalone fantasy novel set in the same world as "The Hammer of the Witch," focusing on different characters.
* The Fall of the Towers: A standalone fantasy novel that delves deeper into the world established in the previous two books.
Series:
* The Lineage of the Ancients: This series, consisting of three books, follows the story of a young woman named Elara who is caught in a conflict between ancient beings and the human world.
* The Second Sons: A series of five books about a group of men who are recruited into a dangerous brotherhood, facing battles and adventures in a fantasy world.
Other Works:
* The Way of the Ancients (short story collection): A collection of short stories set in the world of "The Lineage of the Ancients."
It's worth noting that Simon Tolkien is also a nephew of J.R.R. Tolkien, the author of "The Lord of the Rings." However, while his works share some thematic similarities with his uncle's work, they are entirely original and distinct creations.