3.94 avg rating — 2,607 ratings

"DCI Acton works with DC Doyle, and through the series marry and work together."

3.75 avg rating — 4,373 ratings

3.73 avg rating — 21,429 ratings

"Through the series, Superintendent Kincaid works with and then marries Sergeant James- so I started with the book that starts their relationship"

4.09 avg rating — 11,232 ratings

3.93 avg rating — 12,840 ratings

4.12 avg rating — 9,482 ratings

3.94 avg rating — 10,530 ratings

4.18 avg rating — 7,585 ratings

4.06 avg rating — 9,539 ratings

4.11 avg rating — 9,406 ratings

4.05 avg rating — 7,680 ratings

4.16 avg rating — 7,158 ratings

3.91 avg rating — 7,319 ratings

4.17 avg rating — 10,402 ratings

4.19 avg rating — 9,223 ratings

4.12 avg rating — 8,230 ratings

4.03 avg rating — 7,034 ratings

4.18 avg rating — 440 ratings

4.14 avg rating — 11,345 ratings

"Superintendent Hetheridge meets Sergeant Wakefield and immediately becomes attracted and yet they still work together."

4.09 avg rating — 5,842 ratings

4.06 avg rating — 4,982 ratings

3.93 avg rating — 67,429 ratings

"While they are not together the whole series they do become involved, so I voted for this one and the next. "

3.83 avg rating — 203 ratings

"I added at this point in the series because this flashes back their relationship and it seems from this point forward they become more involved and eventually marry- exactly the type of titles I was looking for."

3.80 avg rating — 338 ratings

3.71 avg rating — 349 ratings

3.93 avg rating — 260 ratings

3.86 avg rating — 225 ratings