The Standard Opera Guide by Upton and Borowski 

copyright 1928

publisher: Blue Ribbon Books, New York 

474 pages 

Book is in very good condition.  Dust Jacket is worn. Pages of book are yellowed but in very good condition.  Binding is tight .

Owner signed the book and dated.  He had large library and signed all of his books .  Arthur Crownover.  This is my husbands grand-father.