🚀 go-pugleaf

We are using CS2 InDesign and Photoshop 7 on a PC. I am putting together two 
large books. One insert section of the first book has color photos. I have 
to prepare these color photos for a printer located in China. They want all 
images to be CMYK .tiff.

I have an assortment of about 100 images from various sources around the
world, there are .tif, .jpg. .bmp, and .psd. All of them appear to be RGB.
There are images with: 1) no color profile, 2) sRGB IE60966-2.1, and Adobe
RGB 1998. Do all images need to have the same RGB color profile before 
converting to CMYK?

I have been converting all of these to .tif (and using a single dpi/pixel 
resolution for
all images).

Do I just select/save as color mode CMYK? Or are there special
settings/profiles I need to know about. Is there anything special for China? 
The printer's English is not that clear . I was hoping that someone in this 
group would be familiar with RGB to CMYK conversion.

Also, it appears that the final PDF pages (with embedded Tiff images) will 
be very large. The first complete book for this project (there are two 
books) looks like it will be about 20GB. The second book looks like it could 
be 12GB. Both books together equal about 1,000 pages and have about 1,000 
images. 90% of the images are grayscale. What are the current technologies 
for sending large projects like this to a printer?

Thanks

ps, the Photoshop group suggested that I write to this group.