In this story, the lovers aren’t magic. The only magic they really have is that they’re in love. But oh, my, god, love is major magic. There’s a reason we talk about being bewitched.

Back in the 1980s, biological science was abuzz with a new idea—that the boundaries between species aren’t anywhere near as firm and permanent as we (and Darwin) once thought. Bacteria exchange DNA with each other. Many of our own genes entered our chromosomes, originally, from viruses.

Back in the late sixties or early seventies, a small—and now long defunct—animation company asked me to submit some story ideas. The first version of “Gordon” was one of two notions that I wrote up and handed in. They weren’t impressed with either, but my kids had liked “Gordon,” so I tucked it away in my filing cabinet, thinking that someday I might do something more with it. I had no idea it would take more than 30 years.

Songs are something that humans have always taken with us to war: you can’t go on the march with a painting from home in your pack, or bring your entire library of books with you. […] But you can always sing a song.

I’ve always been fascinated by the secondary or even tertiary characters in stories, the characters who don’t get written about. Who may not even get to speak. I have a tendency to write their stories. […] In this case, I was fascinated by a character in a poem: the Abyssinian maid in Samuel Taylor Coleridge’s “Kubla Khan.”

It’s easy to come up with science-fictional cultures that put no great value on long life, for whom immortality would be unpleasant or even obscene. […] A large number of Americans believe they’re going to be immortal up in the sky after they die on Earth. That’s one of the solutions to the problem, and it takes care of certain aspects like expense, real estate, post-mortem effect, and so on.