I originally tried using the reduce noise filter on the photo above and it didn't reduce the grain at all so I didn't include the results in my posting. It appeared to me that the reduce noise filter affects mostly other types of noise such as scanner induced, camera, and Jpeg compression noise. These types of noise problems seem to be affected differently than film grain by the filter, but if your results work for you then there is no problem.  One would think that noise is noise, but the size, color and frequency of the noise may be looked at in different ways by the software. Anyway, best of luck with your photos and book.

I can swear there ain't no heaven but I pray there ain't no hell. _ Blood Sweat & Tears