Ke xue ren wen -- 51
Series de Carl Sagan
Libro sin clasificar
![Sin portada](/static/images/no_cover.jpg)
5 estrellas
![Sin portada](/static/images/no_cover.jpg)
Carl Sagan: Mo gui pan ju de shi jie (Chinese language, 1999, Tian xia yuan jian chu ban gu fen you xian gong si)
Mo gui pan ju de shi jie
por Carl Sagan