Bartender's Black Book by Robert M. Parker Jr., Stephen Kittredge Cunningham (2008, Paperback)

It is not by Robert M. Parker Jr., but includes informative sections such as Parker's wintage guide, his world's greatest wine values, and a section on "wine speak" which are all helpful. If you are a bartender or want to know a LOT of fun liquor drinks this is great and will help with recommendations for wine. It will help wine buyers with Parker's vintage guide which only goes back to 1975, but should be quite sufficient for 99% of all wine buyers.
The Parker's "world's greatest wine values" is good and so is his Parker's section on "wine speak". It is in a handy apx. 4" X " spiral bound format with a semi-rigid cover and back page, which makes it easy to put in the glove compartment of your car when going to buy wine or liquor for the mixed drinks.
It is also easy to reference for anyone going to a wine auction, or bidding for wine on the internet wine auction site 'winebid.com', which I recommend for buying and selling wine.