The Algebraist

The Algebraist is the Iain M. Banks SF novel that sits a little outside the Culture sequence and is genuinely one of his best. The conceit is that the galaxy this story takes place in does not have practical FTL drives, which forces Banks to think about interstellar civilization on the kind of timescales the Culture's wormhole shortcuts let him skip. The Dwellers, the species at the center of the book, are gas-giant inhabitants who have been alive for so long, individually and collectively, that the rest of the galaxy looks like weather to them.

The protagonist Fassin Taak is a young scholar working among the Dwellers when a galactic-scale war reaches him. The book has more pure plot than most of the Culture novels and a faster pulse, while keeping Banks's usual depth on technology, society, and the cost of large-scale moral choices. The villain, the Archimandrite Luseferous, is one of Banks's most fully realized monsters, and the section that follows him through his daily palace life is some of the cleanest evil-emperor writing in recent SF.

The ending earns its scale. The relationship between Fassin and his Dweller mentor is quietly affecting in a way that the genre rarely allows.

Five stars. A genuine masterpiece of space opera and an excellent entry point for readers who have been intimidated by the Culture sequence. Recommended without reservation.