The book has red markings, likely from the publication before shipping to stores. I think it’s to denote an older book from their collection. Otherwise, it’s in very good condition. Hence, the huge markdown. Please view the photos. Silver edged pages. It’s great for business lobbies and may be a nice book for techies. I do have two available. Contents: Play, Move, Construct, Power, Live, Future & Reference. Full color photos and accurate information about the technology, invention, and innovation. Questions? Please let me know.