Beth wyt ti'n ei gofio? /
Stewart, Paul,1955-
Riddell, Chris.
Williams, Dylan.
Aberystwyth : Cymdeithas Lyfrau Ceredigion Gyf,
c2002.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Andersen Press, 2002.
Addasiad Cymraeg gan = Welsh adaptation by : Dylan Williams.
Rabbit (Fictitious character)
Hedgehog (Fictitious character)
Memory