Vintage paperback copy of Invisible Horizons by Vincent Gaddis, an Ace Star Book reprinted by arrangement with Chilton Books. Strange mysteries of the sea and unexplained phenomena with classic 1960s paranormal/ocean mystery cover art.

Condition: Good used vintage condition. Cover has visible shelf wear, edge wear, corner wear, creasing, scuffing, age toning, and small areas of chipping/peeling at the edges. Spine has wear but binding is intact. Pages are age-toned but readable. Please review photos for exact condition.

Item Specifics: Title: Invisible Horizons. Author: Vincent Gaddis. Publisher: Ace Star Book / Ace Books. Publication Year: 1965. Copyright Year: 1965. Format: Mass Market Paperback. Genre: Paranormal / Unexplained Mysteries / Sea Mysteries. Language: English. Vintage: Yes. Condition: Good.

• Shop with confidence — I want you to feel great about every purchase. If you have any questions, just send me a message and I’ll respond as quickly as I can. :)

• I’m happy to combine shipping on multiple purchases. If the discount does not apply automatically at checkout, I will refund any shipping overpayment the same day or next day when your order ships.