Cyfrinach Castell Coch

Nofel ar gyfer plant 8-10 oed, gyda darluniau deniadol. Mae hen gyfrinach y tu ôl i furiau Castell Coch, ac mae pwysau mawr ar Chloe a Sam i sicrhau nad ydy'r castell yn cael ei ddinistrio. Yn bendant, hwn yw'r trip ysgol mwyaf difyr i Chloe a Sam ei gael ers sbel ...

A novel for 8-10 year olds with attractive illustrations. An old secret lies behind the walls of Castell Coch, and Chloe and Sam are under pressure to ensure that the castle is not destroyed. This is certainly the most entertaining school trip that Chloe and Sam have had for years...