I should imagine @JimInOz is getting his beauty sleep, so a few clues for you @Canuck
‘IF’ The initials of an author. Specialised in the spy genre.
‘OHMSS’ The initials of the title of one of the author’s novels. Early sixties, later made into a film. The main character from this book, and many others, could be found ‘keeping the British end up’
Hen = En
Knee =NEI
Sandra Oh = O
Māori warriors = MORRI
Cone = CON
Knee = EI
Seven deadly sins = CIN
Knee = NE
Marjori Main = MA
Paratroopers = PARA
Sandra Dee = DI
Sew = SO
Hen = En
Knee =NEI
Sandra Oh = O
Māori warriors = MORRI
Cone = CON
Knee = EI
Seven deadly sins = CIN
Knee = NE
Marjori Main = MA
Paratroopers = PARA
Sandra Dee = DI
Sew = SO
Not easy, this one, so I’ll give you a couple of clues: You’re looking for an author and book title. It was later made into a film with Anthony Hopkins…