- Original title: Ludwig the Snowman’s Lucky Day
- Illustrator: Regina Lukk-Toompere
- Translator: Kaori Shiozaki
- Kagaku Dojin
- 2023, 24 pp
- ISBN: 9784759823196
- fiction, picturebook
- Age: 4+
雪だるまルートヴィッヒのねがいごと
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