An A please
An O please
What links these…
T _ E / _ A R I O _ S / _ A _ N T S / O _ / _ E N
T _ E / _ _ R E / I N / _ E A R T
T _ E / R I S _ / O _ / _ A R _ N E S S
T _ E / _ O _ S / O _ / S I L E N C E
Letters used: R S E I T N C L A O
Apologies for missed N and S 
H please
can i have a U please
T H E / V A R I O U S / H A U N T S / O F / T E N
THE / P U R E / I N / H E A R T
T H E / R I S K / O F / D A R K N E S S
T H E / V O W S / O F / S I L E N C E
all books by Susan Hill the “Simon Serrailler” crime series.
Got it Feey! 
The first 4 in the series, and excellent they are too!
Its MEN the first title but I guess that was a typo in your excitement 
another quickie question
_ _ _ / _ _ _ _ / _ _ / _ _ _ _ / _ _ _ _ _ _ / _ / _ _ _ _ _ _ _ _ _ _ _ ?
A W please
another quickie question
w _ _ / _ _ _ _ / w _ / _ _ _ _ / _ _ _ _ _ _ / _ / _ _ _ _ _ _ _ _ _ _ _ ?
Used W
Not used
An E please
Y please
another quickie question
W _ _ / _ _ _ _ / WE / _ _ _ E / _ E _ _ _ E / _ / _ _ _ _ _ _ _ _ _ E _ ?
Used W E
Not used Y
A please
another quickie question
W _ _ / _ A _ _ / WE / _ A _ E / _ E _ _ _ E / A / _ _ A _ _ _ _ _ _ E _ ?
Used W E A
Not used Y
H please
R please
Y please
A K please
Sorry, didnt realise Id already asked for Y…too late to edit!
O please