Missing books of ruby pearl

[Hanna]

Is is for the two missing books of Ruby Pearl:

Proteus und Cara (German Version)
Kane und Enya (German Version)

of the Gefährtin des Monsters seriesRuby Pearl

I hope I do it correct. It is my first request, so please excuse me if I do something wrong.

[Elon]

Please let us have more info (like here: https://www.goodreads.com/topic/show/... ) to give us more to work with :)