I truly appreciate the mail that I get asking for further adventures for many of my characters. I'm honored that you like them well enough that you want to spend more time with them.
However...
As much as I enjoy all (well, most of) my characters, once I finish a story, I want to move on to other people in other situations. Once a book has been published and out for a while, with readers deciding for themselves what happens after the end of the story, it hardly seems fair for the author to come back and say, Nope, you're all wrong--THIS is what happened next.
Besides that, one of the reasons I became a writer was because I enjoyed mentally writing sequels to books I didn't want to end. (Or I made up new endings for stories I felt ended the wrong way.)
It's an interesting exercise that you might enjoy.
Meanwhile, I won't say that I'll never write a sequel to any of my stories. But I have no plans to at the moment.
Books that--while not sequels--are linked to each other are |