Where, in the UK or online, can I buy a copy of the book 'Home From 
The Sea' by the British author Godfrey Wynn?

Dear shortfatclerk-ga,

I believe you are actually seeking Home from Sea by Godfrey Winn
published in 1944. This is the catalogue entry from the British
Library (there are no matches on the information you supplied).

System number    	 003951830
Author - personal   	WINN, Godfrey Herbert.
Title   	Home from Sea. A chronicle ... With 18 illustrations. [On the
author?s experiences in the Royal Navy.]
Publisher/year   	pp. 131. Hutchinson & Co.: London, [1944.]
http://catalogue.bl.uk/F/?func=file&file_name=login-bl-list

I have found a current auction for the book on UK?s Ebay. There is 4
days to go. The price is £1.50 at the moment.
http://cgi.ebay.co.uk/Home-From-Sea-by-Godfrey-Winn_W0QQitemZ8368400720QQcategoryZ64296QQssPageNameZWD4VQQrdZ1QQcmdZViewItem

Through abebooks.co.uk - there several UK book sellers.
http://www.abebooks.co.uk/servlet/SearchResults?an=godfrey+winn&ph=2&kn=home+from+sea&tn=Home+From

Other internet references to the book are overseas sellers. This is
one on amazon.com. The seller appears based in the US and is selling
it for $15.
http://www.amazon.com/gp/product/B0007IZP3C/104-2089684-4376725?v=glance&n=283155

Other sellers can be found under this link
"home from sea" "godfrey winn"
://www.google.co.uk/search?hl=en&q=%22home+from+sea%22+%22godfrey+winn%22&btnG=Google+Search&meta=

I hope this answers your question. If it does not, or the answer is
unclear, then please ask for clarification of this research before
rating the answer. I shall respond to the clarification request as
soon as I receive it.
Thank you
answerfinder

Search strategy
Checked name with British Library. The search as above.

Absolutely fantastic response!