The Green Rider Series is a fantasy book series written by Kristen Britain. It follows the adventures of a young woman named Karigan G'ladheon, who becomes a Green Rider, a member of an elite group of magical messengers in the kingdom of Sacoridia. The series combines elements of magic, adventure, and political intrigue as Karigan navigates her duties and the challenges that arise. The series began with the first book, titled Green Rider, published in 1998. It has since expanded to include several sequels, each building on the rich world and characters introduced in the initial installment. The books are known for their engaging storytelling and well-developed characters, appealing to fans of the fantasy genre.