Please tell me the name of any good book you have come across...
List of books (and much more) there : http://sdpd.univ-lemans.fr/DU-SDPD/semaine-1/sdpd-1.html including : Fundamentals of Powder Diffraction and Structural Characterization of Materials Vitalij K. Pecharsky, Peter Y. Zavalij Kluwer Academic Pub., 2003. (in case Peter would not tell about his own book ;-). Much cheaper now in paperback : http://www.fetchbook.co.uk/compare.do?search=0387241477 (Peter, I bought one...). Armel