Naze dōshite sannensei
Subtitle: tanoshii kagaku no fushigi
By: Murayama Tetsuya kanshū
Series: Tanoshiku manaberu shirīzu
Published: 2014
Language: jpn
Number of pages: 190
ISBN-13: 9784471103149
Subjects: Science; Evolution (Biology); Earth sciences; Cartoons and comics; Engineering; Juvenile literature; Astronomy; Technology
Notes: 3rd grade.