I've now read through all of this thread. The series did remind me of several things that were on my back burner.
I rather like Murphy - extremely pleasant without being drop-down gorgeous.
One of the reasons for Jago and Charlotte was surely her appearance at the office and her dropping the bit of poison about Madeline to make sure Robin heard it.
If Ilsa puts it on the line for them NOW, they aren't going to be able to shilly-shally for two more books.
I've been thinking back on what I've learned about their back stories since the first book. Cornwall, his father, mother, aunt and uncle, sister, nephews, great mate from school etc., mother's last fellow.......edit to add beer, burgers, chips, burgers, beer, chips, burgers.....
They had a discussion in this series when Robin said that she had had doubts about her marriage when she was on her honeymoon. I can't remember if that was in this book and I don't know where to search for it. Looking back, I do remember quite a lot about her wedding. So did Strike :)