Nadolig llawen y clwb cysgu cŵl /
Mongredien, Sue.
Lewis, Siân,1945-
Llandysul : Gomer,
2003.
Argraffiad Saesneg gwreiddiol = Original English edition : London : HarperCollins, 2000.
Addasiad Cymraeg gan = Welsh adaptation by : Siân Lewis.
Sleepover Club (Fictitious characters)
Christmas