"Key of Light" by Nora Roberts is a romance novel published in 2003 as part of the Key Trilogy Series. The book falls under the genres of contemporary romance, paranormal romance, and fantasy romance, catering to an adult audience. With a narrative type of fiction, the novel offers a captivating story set in the United States, spanning 352 pages in mass market paperback format. Written in English and measuring 6.8 inches in length, 0.9 inches in height, and 4.2 inches in width, this novel is a timeless addition to any romance book collection.