3rd book isn't connected to my trilogy!

[Kari]

I don't know how I've managed to mess this up, but my 3rd book isn't connected to the trilogy, and when I've tried to add it, I'm told I don't have permission. Please help!

Here's the 3rd book in the series--
https://www.goodreads.com/book/show/4...

Here's the series page--
https://www.goodreads.com/series/1648...

Thank you in advance!

[Scott]

done