Osten Ard is a fictional world created by author Tad Williams, primarily featured in his epic fantasy series, "Memory, Sorrow, and Thorn." This richly detailed universe is known for its complex characters, intricate plots, and a blend of magic and mythology. The series explores themes of power, friendship, and the struggle between good and evil. The first book, "The Dragonbone Chair," introduces readers to the land of Osten Ard, where various races, including humans, elves, and trolls, coexist. The story follows the journey of a young kitchen boy named Simon as he becomes embroiled in a battle against dark forces threatening the realm.