The Cradle Series is a popular fantasy book series written by Will Wight. It follows the journey of a young man named Lindon who lives in a world where martial artists harness magical powers called madra. The series explores themes of growth, perseverance, and the pursuit of strength as Lindon seeks to become more powerful and protect his loved ones. The series consists of several novels, starting with "Unsouled" and continuing through multiple sequels. Each book delves deeper into the intricate world-building, unique magic systems, and character development, making it a favorite among fans of the fantasy genre.