After a spectacular opening scene this settles into something less exciting: lots of violent deaths, lots of identity issues, lots of untypical Golden Age components but they're all thrown in then more or less forgotten about. I mean, they're not really significant, they don't breathe as topics, and we don't feel any emotional impact.

Rachel Savernake was elusive and fascinating in the first couple of books but now she's become close to cosy, and her posse do their established things. The darkness has gone. So this is fun but it was outstaying its welcome towards the end.