"The Sword of Truth Series" is a popular fantasy book series written by Terry Goodkind. It consists of 11 main novels, starting with "Wizard's First Rule," published in 1994. The series follows the journey of Richard Cypher, a young man who discovers his destiny as a powerful leader and protector of the realm. The story is set in a richly developed world filled with magic, mythical creatures, and moral dilemmas. Central themes include the struggle between good and evil, the importance of free will, and the consequences of power. The series has garnered a dedicated fanbase and has been adapted into a television series.