Discover 'Das Geheimnis der Eiche' - A Captivating Journey

The book cover for "Das Geheimnis der Eiche" could feature a large, ancient oak tree at the center, surrounded by Max, Lila, Pico, and Momo showcasing their unique traits. The background could depict a magical forest with soft lights and mysterious creatures. The title could be written in an enchanting font at the top, with a hidden treasure hinted at the base of the tree. Max is a mouse, representing his adventurous spirit in a small but brave form. Lila is also a mouse, showcasing her intelligence and curiosity. Pico is a pigeon, symbolizing his playful and energetic nature. Momo is a mole, reflecting his loyalty and supportiveness. Together, these characters bring their unique traits to the story.