Nihon piramiddo no nazo
Subtitle: sekai saidai no kofun ga naze Nihon ni umareta ka
By: Oki Yoshiya
Edition: Shohan
Series: Non bukku; Non bukku
Publisher: Shōdensha; Hatsubai Shōgakkan
Published: 1975
Place of publication: Tōkyō
Language: jpn
Number of pages: 248
Subjects: Tombs; Civilization; Pyramids
Notes: Colophon title.

Includes bibliographical references (p. 248).