Twneli
By: Kate Petty a Terry Cash ; ffotograffau gan Ed Barber ; addasiad Cymraeg gan Berwyn Prys Jones.
Contributors: Cash, Terry.; Barber, Ed.; Jones, Berwyn Prys.
Series: Llwybrau
Publisher: Ivan Corbett
Published: 1992
Place of publication: Penryn
Language: wel
Number of pages: 25
Subjects: Tunnels -- Juvenile literature.
Work titles: Tunnels.
Notes: Arg Saesneg gwreiddiol = Original English ed: London: A & C Black, 1990.

Yn cynnwys mynegai =Includes index.

Addasiad Cymraeg o = Welsh adaptation of: Tunnels.