From MistiWiki
According to the Reindeer Graphics News site (reindeergraphics.com), the "website is under construction" and the "store is down."
Sadly, their link to a free download of TabbedText.8bi, the photoshop plug-in that reads and writes grayscale images to a tab-delimited text files, is also down.
We all hope they return to business soon (J. C. Russ's The Image Processing Handbook, available at www.crcpress.com, is a super resource) but until they do, I've posted a copy of their plug-in at: