The "Gormenghast Trilogy" is a series of three novels written by British author Mervyn Peake. The trilogy includes "Titus Groan," "Gormenghast," and "Titus Alone," published between 1946 and 1959. Set in the vast, decaying castle of Gormenghast, the story follows the life of Titus Groan, the heir to the castle, as he navigates its complex social structure and the eccentric inhabitants. The novels are known for their rich, atmospheric prose and intricate world-building. They explore themes of tradition, isolation, and the struggle for identity within a rigid society. The trilogy has garnered a cult following and is considered a classic of fantasy literature.