Add missing books to series

[Riley]

Please add the english version of emerald green and the other book in the ruby red series.

[free]

can you provide the book's data?
ISBN, link to the book?

[Renske]

There are already several editions for those books. But they are not the most popular edition of the work.
Here are all editions of Sapphire Blue: https://www.goodreads.com/work/editio...
And here of Emerald Green: https://www.goodreads.com/work/editio...
(You can find that by clicking on 'all editions' on the book page.)