The cartoon adventures of a ten-year-old girl who solves ghoulish mysteries. Mona discovers that a vengeful postman has created the ultimate chain letter.
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The cartoon adventures of a ten-year-old girl who solves ghoulish mysteries. Mona discovers that a vengeful postman has created the ultimate chain letter.
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
