Hi List Thanks for your responses - there were several requests for summaries, but not many recommendations. The few that are both recommended, and in print, are: Title, Authors, ISBN publisher date cost bind pages ======================================================================= Six Sigma Pocket Guide (2001) Rath & Strong Management Consultants 0071417567 Rath & Strong Mar-03 $15 Spiral 191 Making Six Sigma Last: Managing the Balance Between Cultural and Technical Change (2001) G. Eckes 0471415480 Wiley Apr-00 $30 Hardb 256 Understanding Statistical Process Control 2nd edition D.J. Wheeler, DS. Chambers, WE Deming 0945320132 SPC Press Jun-92 $60 Hardb 406 Implementing Six Sigma: Smarter Solutions Using Statistical Methods, 2nd Ed Forrest W. Breyfogle, III 0471265721 Wiley Apr-03 $100 Hardb 1232 Basic Statistics: Tools for Continuous Improvement 4th edition M.J. Kiemele 1880156067 Air Academy Pr Jun-97 $90 Hardb ? (the archives should now have something to start from). Kind regards, Dan