John, I'm not sure about a new book of dances. There seem to be thousands of new books of 'dancers dances' (self published by dance writers, or with CDs) and I buy some of them, then call about one dance from each). I also call for beginners, and tend to have a farly stable list of dances that I choose from, or I make up something to suit, using standard figures.
I suppose the people who might buy and use such a book are those who call at Ceilidh series, maybe the eceilidh list should be asked this question.
Maybe there's a case for two books, the drunken-wedding/family-dance book, and the proper-ceilidh book. I think someone on the trad dance callers list is putting together one of the first kind.
Or do people get their material on line now?