Can I add a collection of several books from a series to a series?

[Cari]

I have 2 book collections as below and it would be useful for readers to find these on the page with the individual books from the series. Can these be added, please?
https://www.goodreads.com/book/show/2...
https://www.goodreads.com/book/show/2...

Here is the series page:
https://www.goodreads.com/series/1003...

[Renske]

Added to the series.

[Cari]

Thank you!