If I get blocked, it is generally because I don't know enough about some aspect of the story or the characters. The answer for this is generally more research, or making more background notes, so the place and person can be more fully realized inside my own mind.

So, one of the things I was doing with the aliens in The Quiet Invasion was creating that advanced society which had ideas about morality and proper use of natural resources that were radically different from ours, as the Europeans were from the American Indians.

I think people enjoy a series. When you like a story, many readers want more of the same, which is dandy, if the author and the characters have more to say.

Octavia Butler, of course, is brilliant and disturbing.

As far as the writing goes, I started telling stories as soon as I could talk, and started writing them down as soon as I could string words together.

Mama took me in her arms and held me tight. Her embrace was hot and she smelled like sweat, dust, and grease, but I wanted her. I wanted to crawl inside her mind to find that place that let her smile and sing through the worst dust storms. If I had to be crazy, I wanted my mama's kind of crazy, because she was never afraid.

Then, I realized that there is an indigenous presence in the Solar System. It's us. So, then, I got to wondering what would happen if a more technologically advanced society moved next door to us, the way we moved next door to the American Indians.