Das Verschwinden der Tiere: Ein Nele & Dana - Roman (Nele und Dana: Kinderroman ab 8 Jahre, Band 2)

[DeepL Translation - needs review] Eleven-year-old friends Nele and Dana live in the beautiful North Sea town of Porthafen. Not much actually happens in the small town until one day they come across something unusual. Before they know it, they are in the middle of their first case. The two adventurers quickly become the youngest detective duo on the North Sea coast...

(Translator: DeepL)