Martin Roy Hill
Books
Duty
2012
ISBN 9781478207245
The Butcher's Bill
2017
ISBN 9780692802939
Polar Melt
2019
ISBN 9780692096468
Fourth Rising
2020
ISBN 9781692350956
The Killing Depths
2012
ISBN 9781480042636
Empty places
2013
ISBN 9781484058381- No cover
Plan B: Volume I
2013
ISBN 9780991783113