The "Riftwar Saga" is a fantasy series written by Raymond E. Feist. It consists of several interconnected novels that explore the conflict between different worlds, primarily focusing on the kingdom of Midkemia and the invading forces from the world of Kelewan. The saga begins with the book "Magician," which introduces the protagonist, Pug, a young magician who becomes central to the unfolding events. The series is known for its rich world-building, complex characters, and epic battles. It delves into themes of friendship, loyalty, and the struggle between good and evil. Over the years, the "Riftwar Saga" has expanded to include multiple sequels and prequels, creating a vast and immersive universe for readers.