Anthologies part of the series?

[Anne]

Hi,

one of the librarians suggested I ask this here:

There is a series "The WeltenWechsler Akten" by Carolin Summer, that consists of four books. But she also has two anthologies that tell stories in the same universe - and go by the same series-title.

Can they be added to the whole series? https://www.goodreads.com/series/2851...

This is about
Sammelsurium der Zeit: https://www.goodreads.com/book/show/1...
and
Sammelsurium der Welten: https://www.goodreads.com/book/show/1...

Content-wise they are and on Amazon they are listed as such, but can the sorting here do the same?

Thanks in advance.

Anne

[Camille]

Added.

https://www.goodreads.com/series/2851...