Shi wan ge wei shen me.
Subtitle: Earth science
By: [zhu bian Yan Jiyuan].
Contributors: Yan, Jiyuan.
Edition: Chu ban
Publisher: Shang wu yin shu guan (Xianggang) you xian gong si
Published: 2001
Place of publication: Xianggang
Language: chi
Subjects: Earth sciences -- Juvenile literature.; Children's questions and answers.; Earth sciences.; Questions and answers.
Genres: Juvenile literature.
Other titles: Di qiu ke xue pian; Earth science
Notes: Includes index.