Eternal Light is a big imaginative space opera novel of the classic formula. The plot revolves around a hypervelocity star discovered to be travelling against the rotation of the galaxy seemingly on a collision course with the solar system. Those who make the journey to the star each have their own ambitions and agendas, although none are prepared for what they find when in orbit around the they encounter the strange, fractured moon pock-marked with wormholes leading to the centre of the galaxy...
Ageless plutocrats, alien superweapons, vanished post-human intelligences, galactic mega-engineering, hard-bitten fighter pilots, telepathic astronomers, fun with Einstein-Minkowski space - all the ingredients of an enjoyable hard sf adventure story combine in a plot that keeps moving at a good clip. As with most good sf, the book asks the reader to reflect on our place in the universe and the extreme possibilities of human existence. Thus the Fermi Paradox and ideas of deep time form central plot elements and are subject to some interesting and pretty original reflections. The characterisation is also surprisingly good for hard sf, McAuley has a sharp appreciation of human idiosyncracies ensures that even minor characters have more than two dimensions. In particular of primary female protagonist, Australian-Japanese telepath Dorthy Yoshida, is as rounded a heroine as can be found in any genre, not just sf.
The inclusion of some cyberpunk elements ensures that the book has little aged despite being penned a good two decades ago. However like most hard sf, the novel does require a background knowledge of contemporary scientific developments and sf conventions to get the most out of it (or at least to raise a smile at quips about hyperbolic curves), but luckily it never buries the reader in jargon. Nonetheless, the book does include a few equations, which is in my view inexcusable in fiction. Eternal Light is nonetheless a good entry in a well established genre, using the tropes of hard sf in a sophisticated and thoughtful way.