Unexplained mysteries of the 20th century
題名:
Unexplained mysteries of the 20th century
著者:
Bord, Janet
Bord, Colin
ISBN（國際標準書號）:
9780809241132
出版資訊:
Lincolnwood(Chicago), Illinois : Contemporary Books, [1989]
規格:
432 p. : il.
主題:
| Curiosities and wonders |
| Unidentified flying objects |
| Monsters |
| Ghosts |