There was an article in the Telegraph about that shop a while ago, becks. It is a second hand bookshop in Great Russell Street, London called Jarndyce
http://www.jarndyce.co.uk/
The owner, Brian Lake, collects books with peculiar authors/titles and has published a book called 'Bizarre Books'. He might be able to help you with your search, sheep.
The review of his book had me in stitches (sample titles: Drummer Dick's Discharge. Correctly English in Hundred Days.) and can be found at
search target=_blank>http://www.telegraph.co.uk
search
for 'The bizarre world of bonkers book collecting'
(Filed: 15/05/2004)
Let us know if you find it!