Discover the intrigue of Agatha Christie's "Double Sin" in this rare 1st edition Dell book from 1970. Follow the mystery-solving adventures of famed detective Hercule Poirot and his trusty companion Miss Lemon as they unravel the sinister plot of this captivating novel. The softcover, wraps binding and English language make this a must-have for any mystery collector, while the special attribute of being a 1st edition adds to its rarity and value. Don't miss out on this classic addition to your bookshelf.