The Fourth Dimension: Toward a Geometry of Higher Reality

Mind Tools: The Five Levels of Mathematical Reality

The Ware Tetralogy

Mind Tools: The Five Levels of Mathematical Reality

Saucer Wisdom

Million Mile Road Trip

Jack and the Aktuals, or, Physical Applications of Transfinite Set Theory: A Tor.Com Original

Frek and the Elixir

The Hollow Earth & Return to the Hollow Earth

Spaceland: A Novel of the Fourth Dimension

Turing & Burroughs

Complete Stories

Juicy Ghosts

Journals: 1990 - 2014

As Above, So Below: A Novel of Peter Bruegel

Good Night, Moon: A Tor.Com Original

Loco: A Tor.Com Original

Totem Poles: A Tor.Com Original