The Planiverse: Computer Contact with a Two-Dimensional World By Dewdney, A. K Books / Paperback Books ISBN: 0671463632 / Publisher: Poseidon Press, March 1984 Price Starting at $21.95 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. Used - Good Good condition. (science fiction, geometry, computers, philosophy) $21.95 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 The Planiverse: Computer Contact with a Two-Dimensional World