I also like and agree with Ursa's formulation. That said, I've read
Cowl,
Line of Polity, and now
Brass Man (2007 Tor (US) trade paper - spoilers for same) just since Christmas and, while I want to read the next one, I'm beginning to not want to read them so close together. The weird alien ecologies and flying body parts are starting to blur together. Which is no criticism of Asher in that the books came out separated by a year or more, but just saying that it's hard to read them in close proximity.
As far as some of my complaints regarding
Line of Polity (which I liked quite a bit overall), I believe this one was shorter and seemed to do a slightly better job localizing me from scene switch to scene switch and went back to the variety of "Encyclopedia Galactica" entries for chapter headers like
Gridlinked had and I thought it did a really good job of having an extended "main ending sequence" (but not overly extended) even though the very end was also a little abrupt even with epilogue. It's important in long books to have proportional climactic sequences. So I think it was arguably better executed than
LoP.
On the other hand, some characters got stupider (though Skellor claimed to want "aesthetic correctness" at one point) and it still dragged in the middle a little. More importantly, Cull's social structure and lifeforms weren't as fascinating as Masada's and, while Crane returned, we lost the dracomen. So I think the second one[1] is still my favorite but
Brass Man is still definitely recommended.
Couple of stray striking quotes:
Gant glanced over. "The brazen bull--particularly nasty. It's hollow and the victim was placed inside to be roasted. They put reeds in its nostrils to alter the sounds of the screams, so that it seemed the bull was bellowing."
"You know," said Thorn, "I'm glad I don't live in any system run by humans."
"F***ing A," said Gant. (138)
and
Reaching them, [Crane] grabbed both by their heads, then slammed them together. His hands met, palm to palm, in a wet explosion. (151)
I don't know how widespread
the children's song is but the above made me think of twisting it to, "If you're crazy and you know it, clap your hands!"
Generalized thoughts and a question: I forgot to mention it when babbling about
LoP but Asher seems to almost never actually kill off any really important character despite all the characters getting killed. And it's a very small universe as they keep running into each other. And one thing puzzles me - why do AIs need Mika and the gang to help analyze the Jain stuff and how can they possibly help? Mika may be a really smart and knowledgeable human but how does this compare to giant ship AIs? Just a different perspective?
Also, I was vaguely disappointed with the ending in the sense that, while I knew Dragon started with four spheres and we had a lot to cover in general, I was kind of hoping the Dragon/Jain/Skellor stuff would be a trilogy and then 4 and 5 would be more separate cases/assignments/adventures. Apparently they're all connected like the first three. This isn't a bad thing, but I was just liking the idea of a completely self-contained storyline. We'll see - I just picked up 4 and 5 but I think I'm going to hit
Prador Moon first. The story that got me into Asher was "Alien Archaeology", which was really good (obviously), so I'm looking forward to it.
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[1] Why does the cover shot in the OP say Brass Man is the "second" Cormac book? It was the second published in the US because Tor US has gone stupid (had to order LoP from the UK) but it's the third Cormac book and relies heavily on knowing what happened in both LoP and Gridlinked. That looks like a UK book, though, unless it's the 2011 US edition.
I'd say Asher does a good job not leaving you lost if you jump into the middle while not boring you with repetition if you've read them in order but I'd definitely recommend starting with the first and going in order.