Janus: A summing up By Koestler, Arthur Books / Hardcover Books ISBN: 0394500520 / Publisher: Random House, January 1978 Price Starting at $19.70 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Collectible - Very Good First Edition With Dust Jacket First edition copy. Collectible - Very Good. Good dust jacket. First American edition. In protective mylar cover. (philosophy, holarchy, holons) $27.83 1 in Stock at Warehouse Quantity Add Collectible - Good First Edition With Dust Jacket First edition copy. Collectible - Good. Good dust jacket. With remainder mark. (philosophy, modern, creativity, life) $19.70 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Janus: A summing up