The Three Cities Trilogy：Lourdes（英文版）:
BEFORE perusing this work, it is as well that the reader should
understand M. Zola-s aim in writing it, and his views--as distinct from
those of his characters--upon Lourdes, its Grotto, and its cures. A short
time before the book appeared M. Zola was interviewed upon the subject by
his friend and biographer, Mr. Robert H. Sherard, to whom he spoke as
follows: