You can trust Alastair Reynolds to weave a galaxy spanning whodunit. The classic elements are all here: it's a space opera, with relativistic interstellar travel, intriguing post-human societies, AI, even a space chase makes an appearance. And then there's the fact it's a standalone novel: every detail fits neatly, all the mysteries intertwine and build up on each other. And all are answered by the end, making it a really satisfying whole.