Lot of 2 Robin HC books SPHINX 1979 HC/DJ & Mutation (HC/DJ, 1989)

SPHINX by Robin Cook 1979 HC/DJ 1st Book Club Edition VINTAGE MUTATION by Robin Cook 1979 HC/DJ 1st Edition. 🔥🌊🌟BUNDLE AND SAVE Bundle 2 or More Items Automatically Save 15% at Checkout up to 5 pounds!!🌊🔥🌟🌞🌊Feel Free to Make Reasonable Offers🌞🌊 Both hardcover books come with dust jackets. Used, good condition. Minor wear and tear on jacket, see pictures for details. No markings, underlinings, or highlightings inside book. Very clean, no page discolorations. Item comes from a smoke-free home.