Hyfforddi hirben /
Coleman, Michael.
Abadzis, Nick.
Williams, Dylan.
Aberystwyth : Cymdeithas Lyfrau Cerdigion,
2003.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Orchard Books, 2000.
Addasiad Cymraeg gan = Welsh adaptation by : Dylan Williams.
Y Saint (Imaginary organization)
Soccer