Help! : y clwb cysgu cŵl /
Cummings, Fiona.
Lewis, Siân,1945-
Llandysul : Gwasg Gomer,
2004.
Addasiad Cymraeg gan = Welsh adaptation by : Siân Lewis.
Argraffiad Saesneg gwreiddiol = Original English edition : London : HarperCollins Publishers, 2000.
Sleepover Club (Fictitious characters)
Female friendship
Accidents
Hospitals
Fund raising