I do have one complaint – it's essentially two mysteries in one book (one in 1830, and one in 1838, I believe are the years), which means there are a lot of plot details, minor characters, red herrings, etc to keep track of.

It felt more substantial than some of the other recent novels, at least; I'd put it comparable to Crimson Angel for people being themselves as well as plot movements. And I enjoyed seeing more of Daniel Ben-Gideon, who had been one of the nicest parts of Ran Away for me.