Muumi ja vaarallinen juhannus is a Finnish children's book written by Tove Jansson. The story follows the Moomin family as they prepare for a dangerous Midsummer celebration.
The Moomins are excited to celebrate Midsummer, but they soon realize that there are dangers lurking in the forest. As they navigate through the challenges, they must rely on their wit and courage to overcome the obstacles.
Muumi ja vaarallinen juhannus is a tale of adventure, friendship, and bravery that teaches children valuable lessons about facing fears and working together as a team.