What is the best Winston Graham book?

1.
Ross Poldark (Poldark, #1)
Ross Poldark (Poldark, #1) 4.08 avg rating — 34,716 ratings
2.
The Angry Tide (Poldark, #7)
The Angry Tide (Poldark, #7) 4.38 avg rating — 8,203 ratings
3.
Marnie
Marnie 3.89 avg rating — 1,573 ratings
4.
Demelza (Poldark, #2)
Demelza (Poldark, #2) 4.22 avg rating — 18,462 ratings
5.
Warleggan (Poldark, #4)
Warleggan (Poldark, #4) 4.29 avg rating — 11,094 ratings
6.
The Black Moon (Poldark, #5)
The Black Moon (Poldark, #5) 4.27 avg rating — 9,787 ratings
7.
The Four Swans (Poldark, #6)
The Four Swans (Poldark, #6) 4.26 avg rating — 8,963 ratings
8.
The Twisted Sword (Poldark, #11)
The Twisted Sword (Poldark, #11) 4.37 avg rating — 5,690 ratings
9.
The Angry Tide (Poldark, #7)
The Angry Tide (Poldark, #7) 4.38 avg rating — 8,203 ratings
10.
Jeremy Poldark (Poldark, #3)
Jeremy Poldark (Poldark, #3) 4.19 avg rating — 14,134 ratings
11.
The Stranger from the Sea (Poldark, #8)
The Stranger from the Sea (Poldark, #8) 4.07 avg rating — 7,070 ratings
12.
The Miller's Dance (Poldark, #9)
The Miller's Dance (Poldark, #9) 4.22 avg rating — 6,384 ratings
13.
The Loving Cup (Poldark, #10)
The Loving Cup (Poldark, #10) 4.29 avg rating — 6,017 ratings
14.
Bella Poldark (Poldark, #12)
Bella Poldark (Poldark, #12) 4.36 avg rating — 6,107 ratings