Just a follow-up to this thread. My publication has reached the light of day and came out impeccably. In summary I produced PDFs from OPW via Distiller and these were originally in the RGB colour space. DP's advice re the text was to enable the direct PostScript option and define all colours in CMYK space. I dealt with my 1bbp sprites by importing them into !Artworks and exporting as CMYK. The colour JPEGs were left as RGB and came out well. Interestingly there were several greyscale JPEGs which were also RGB but came through unscathed and printed fine. Many thanks for all the helpful suggestions. -- William Lack --------------------- william.lack@bt internet.com County Series: http://home.clara.net/williamlack/index.htm To unsubscribe or subscribe goto: //www.freelists.org/list/davidpilling