Cloc Cae Berllan /
Amery, Heather.
Cartwright, Stephen,1947-2004.
Tyler, Jenny.
Huws, Emily.
Llandysul : Gwasg Gomer,
2003.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Usborne Publishing, 2002.
Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.
Time
Horology