Ok kiddo, let me explain who Charles Stross is. Charles Stross is a person who writes books. He works really hard to write stories that are interesting and fun to read. Some of his stories are about magic and some are about space.
Now, Charles Stross isn't just any writer - he's really good at blending science fiction and fantasy into his stories. He imagines a lot of crazy things that could happen in the future or in different universes.
Some of the things he writes about might be a little difficult for you to understand, but don't worry! Just keep reading and enjoying the stories, and you'll learn more and more as you go. And who knows, maybe one day you'll be able to write stories just like Charles Stross!