Budapest 1900: A Historical Portrait of a City and Its Culture, by John Lukacs (TPB, 1988, $3)
"Budapest, like Paris and Vienna, experienced an explosive flowering at the end of the nineteenth century. In terms of population growth, material expansion, and cultural exuberance, it was among the foremost metropolitan centers of the world..."
Look for this on the new non-fiction table, as of 7/6.