Dimensions Beyond the Known

United States: Ace H-89, 1968. Solid with creases on the spine, two corner creases on the top of the back cover, and a reading crease along the spine on the front cover.. 1st Printing. Paperback. Very Good.

U.S.: Ace H-89, 1968. Solid with a reading crease along the spine on the front cover.. 1st Printing. Paperback. Very Good.

U.S.: Ace Star K-89, 1968. Solid with minor wear on the covers.. 1st Printing. Paperback. Very Good - Fine.

Ace, 1969. Softcover. Very Good. H-89

Ace, 1969. Softcover. Good. H-89

Ace, 1968. Paperback. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Ace, January 1968. Paper Back . 7 Choice HB Standard.