Planet X, discovered out beyond Pluto, the mysterious planet was at first an astronomical curiosity. Then calculations indicated that its strange orbit would bring it closer to the sun.. at twice the speed any planet could move.
Used availability for Kenneth Wright's The Mysterious Planet
See all available used copies of this book at: Abebooks UK or Abebooks US
Paperback Editions
May 1982 : Mass Market Paperback
| Title: The Mysterious Planet Author(s): Lester Del Rey ISBN: 0-345-30418-7 / 978-0-345-30418-6 (USA edition) Publisher: Del Rey Availability: Amazon Amazon UK Amazon CA More details... |
1982 : Paperback
| Title: The Mysterious Planet Author(s): del rey Publisher: Ballantine Availability: Amazon More details... |
March 1978 : Mass Market Paperback
 | Title: The Mysterious Planet (Del Rey SF, 27121) Author(s): Lester Del Rey ISBN: 0-345-27121-1 / 978-0-345-27121-1 (USA edition) Publisher: Ballantine Books Availability: Amazon Amazon CA More details... |
Other Editions
1953 : Unknown
| Title: The mysterious planet, (A Science fiction novel) Author(s): Lester Del Rey Publisher: Winston Availability: Amazon Amazon UK More details... |
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