Conversation so far:
What's the deal with cocktail books?
Albert Stevens Crockett, the hotel's veteran publicist and historian, wrote his first cocktail book "Old Waldorf Bar Days.
When did he write this book?
" in 1931 during Prohibition and the construction of the current hotel on Park Avenue.
Did this book sell well?
This edition was never reprinted.
What cocktails were in this book?
clientele.
The book contains Crockett's takes on the original hand-written leather bound book of recipes that was given to him at the time of the closure by bartender Joseph Taylor.
Was this the only cocktail book?
Crockett wrote a second book, "The Old Waldorf Astoria Bar Book".

Question: When did he write this book?
Self-contained rewrite: When did Crockett write The Old Waldorf Astoria Bar Book?