As I approached the final act of The Causal Angel, Hannu Rajaniemi's Jean Le Flambeur Series that started with The Quantum Thief, there was an uptick in the action, a movement toward battle and denouement. Giant space ships and lethal weapons were brought to bear, planetary defenses were invoked, and warriors on both sides came to grips...

Unfortunately, I'm not sure I understood half of it. The weapons, vehicles and concepts seemed to require a robust understanding of quantum and theoretical physics and computer science, neither of which I can claim, even for all of my interest in science and science fiction. The world that Rajaniemi has imagined is on the other side of the singularity, and it is a world that is difficult to recognize as descending from our own.

So, clearly, it's brilliant. I just struggled to understand and relate. Call me stupid, call me dense, but I see the series as a brilliant, but missed opportunity.

I very badly wanted to love the book, and I spent some time clicking through Google researching the terms and concepts, using both a wiki about the series and Wikipedia itself. It helped, but the more I read and the more obscure jargon that I bumped up against the more I became convinced that my efforts would be futile. The learning curve is steep, and Hannu does little to assist his reader, utilizing in action descriptions that are short of a helpful infodumps, but oh! how I would have loved one.

Sure, usually I prefer that the author focus on the story, showing only a glimpse of the world building that is beyond view, hinting at what is out there beyond the action. The Causal Angel does this. But because the world is so far from our own, the glimpses are insufficient. It makes for difficult reading.

It doesn't help that the story picks up immediately from where it left off, requiring some back tracking by the reader to refresh memory. And my understanding of what was going on in the plot was never really crystal clear in the first place. Compound everything that I missed in The Quantum Thief, The Fractal Prince, and now The Causal Angel together, and I'm sure that I was unable to enjoy the story to the fullest.

That said, I still liked the book, and though I'll have difficulty recommending it to more than the most hard-core of science fiction fans, I really DID enjoy it. Rajaniemi has a brilliant vision of the future, extrapolating in a way that I think is far more accurate that a lot of other science fiction. Additionally, he understands how to tell a story and, but for the high barrier that the theoretical physics and computer science presents, does spin an interesting tale.

I'm glad I read it. I just wish I could have lost myself in it a bit easier. Escaping into the imagined world is hard when I have to keep coming out to look up terms I don't understand or concepts that weren't even clear in the first book, let alone the second or third. Understanding them is clearly necessary to the plot, and they just aren't easy. If the ease of access had been greater, I would have put Hannu on the list of Hugo worthy writers. His vision is there and his writing is in the neighborhood that should get him awards. He imagines a world where consciousness has transcended the physical, where people living in a constant state of MMORPG, where copies of the self can be made, saved, and utilized in computing power. It's mind-blowing.

But the conceptual difficulty puts the novel out of reach of many, and that's unfortunate. I will read whatever Rajaniemi writes next because I am curious what else he has in the quiver. I hope it will be more accessible, because he is brilliant, his writing is brilliant, and his vision is brilliant. But I hope he can also make it accessible.

A word about the cover art on this series: I love it.

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I enjoyed parts of the conclusion of this trilogy. I think the first two books were better. ( )

Lokabókin í þrennu Rajaniemis bætir fáu nýju við fyrri heimsmynd en hann krefst samt sem áður mikils af lesandanum við skilning og inntöku heimsmyndarinnar og hugtaka. Rajaniemi er doktor í stærðfræði og nýtir þá þekkingu vel í skrifum sínum um framtíð mannkyns og á stundum á maður erfitt með að greina á milli raunveruleika og ímyndar. Sennilega er þessi þrenna orðin ein af grundvallar vísindaskáldsögum þessarar aldar hvað varðar nýja nálgun á framtíðina.
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I really want to like these books, they check all the boxes, and the world building is fantastic, all the various sub-cultures with just barely recognizable societal origins reflected in their names, but somewhere in the post-singularity ability to have as many copies of yourself as you have computing power motivations get lost and the characters end up feeling flat. ( )

I cannot recommend this trilogy enough. It's smart, has mind-blowing images, really fast pace, and ideas to absolutely kill for, and kill again, and even aim for a true death before causality does a flip and the spooky zoku decide that it's time to revoke my entanglements and I lose a few hundred gaming levels.

This novel really feels N-Complete. I'm satisfied in a way that I rarely get, and I have decided to plop these novels into my most favorite books of all time. Sure, there are flaws, but what is most brilliant about them are very, very brilliant, and I can't overlook the beauty of them. I'll definitely revisit all of these novels in the future. They all belong tightly entangled together, and it's so much more apparent now than it would have been by the end of the second novel, despite my faith in the series.

All I will say is, Prison, Prison, Prison, Freedom, Freedom, Freedom. What a gorgeous ride this has been. ( )