How can I issue a command (such as 'M-s-v') which will then give me a
choice of 5 or 6 specific files to open, and then open my chosen file in
a new buffer in the right half of my emacs screen, please?

Thanks
Sharon.
-- 
A taste of linux = http://www.sharons.org.uk
TGmeds = http://www.tgmeds.org.uk
Debian 8.6, fluxbox 1.3.5-2, emacs 25.1.1.1