Probably an obvious condensed Sans Serif! I think the O is not part of the font.

Classification: 
Font: 
Knockout HTF28-JuniorFeatherwt
Solved by: 
ryukk

I am after the exact font used for the cover of:
STOP TALKING START DOING (see graphic)
Reason being I am designing the next one in the series and the publisher doesn't know the font.
Help with this would be much appreciated.

Comments

Trade Gothic Condensed

Is that all it is! No wonder no one answered. It looked somehow more rounded?!
That was the font I was working with in any case (as a stand in) until I found out from someone what it was.
Doh!
Thank you by the way :)

Is that all it is! No wonder no one answered. It looked somehow more rounded?!
That was the font I was working with in any case (as a stand in) until I found out from someone what it was.
Doh!
Thank you by the way :)

Have a look to Knockout, that should be one of this numerous family (something like No.48 Featherweight).

ah yes, could also be one of the fonts in the knockout family. I will also check this font for comparison.
Thanks ;)

Ryuk is correct, Knockout also looks close for this

Actually, can't be Trade Gothic, /R leg does not fit your sample at all. Knockout should be...

True Ryuk - missed that

Knockout is the correct font. Thank you all.