Spaceland: A Novel of the Fourth Dimension

Frek and the Elixir

The Ware Tetralogy

Million Mile Road Trip

Turing & Burroughs

Juicy Ghosts

Saucer Wisdom

Complete Stories

The Hollow Earth & Return to the Hollow Earth

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

The Fourth Dimension: Toward a Geometry of Higher Reality

Mind Tools: The Five Levels of Mathematical Reality

Seek!: Selected Nonfiction

Mind Tools: The Five Levels of Mathematical Reality

Nested Scrolls: The Autobiography of Rudolf von Bitter Rucker

Journals: 1990 - 2014

As Above, So Below: A Novel of Peter Bruegel

Where the Lost Things Are: A Tor.Com Original

Totem Poles: A Tor.Com Original

Good Night, Moon: A Tor.Com Original