"Pale Kings and Princes" by Robert B. Parker is a thriller and mystery novel published by Random House in 1988 as part of the Spenser Ser. The book, with a length of 6.7 inches and 320 pages, features a hard-boiled detective series focused on private investigators. Written in English, this mass market paperback is a reprint edition from the United States, making it a captivating addition to any mystery and detective fiction collection.