 | Journey to the Center of the Earth | Paperback |
 | The Man Who Japed | Paperback |
 | The Man Who Japed | Paperback |
 | Eye in the Sky | Mass-Market Paperback |
 | Eye in the Sky | Mass-Market Paperback |
 | Eye in the Sky | Paperback |
 | Eye in the Sky | Paperback |
 | Het oog aan de hemel | Mass-Market Paperback |
 | The Cosmic Puppets | Trade Paperback |
 | The Cosmic Puppets | Paperback |
 | The Cosmic Puppets | Mass-Market Paperback |
 | Universos Paralelos | Paperback |
 | The World Jones Made | Trade Paperback |
 | Occhio Nel Cielo | Paperback |
 | The Man Who Japed | Trade Paperback |
 | The Man Who Japed | Trade Paperback |
