 |  | | Title: | Dewin ym Mwmin-gwm |
| Original Title: | Trollkarlens hatt |
| Original English Title: | Finn Family Moomintroll |
| First Published: | 1948 |
| Publisher: | Gwasg y Dref Wen |
| Country of Publication: | UK |
| Language: | Welsh |
| Binding: | Hardback |
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| Author, Illustrator: | Tove Jansson |
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| I found this rare book second-hand on Amazon.co.uk in February 2004. |
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