Teithio'r gofod
By: testun gwreiddiol gan Kenneth Garland ; addasiad Cymraeg gan Marged Dafydd.
Series: Y Gwyddonydd ifanc
Publisher: Elfen
Published: 1988
Place of publication: (Aberyotwyth?)
Language: wel
Number of pages: 32
Subjects: Space flight -- Juvenile literature.
Work titles: Spaceflight.
Notes: Text on inside cover.

Includesindex.