Slight-OT: DynaText readers?

I'm trying to retrieve some old printer manuals from a 1999 CD-ROM, and they are supposedly DynaText. The problem I'm running into is that DynaText 4.1 doesn't recognize a valid collection. The installer on the CD looks for dynatext.ini and books.ini (which doesn't seem to exist anywhere, including on the CD). It wants these files to come present. If I point it to a valid dynatext.ini, and fake a books.ini or give it an empty file, the installer completes "successfully" having done nothing. The 'books' directory contains a subdirectory with the book name (41354635 in this case). This directory then contains four more directories, EBT, INDEX, STYLES, and FIGURES, as well as a Setup.ini file with a few lines of information on the collection. 'Figures' is a collection of TIFF's. 'Index' contains index.dat and vocab.dat. The EBT directory contains 5 files: 41354635, 41354635.edr, 41354635.tag, search.tdr, toc.tdr. Google turns up almost nothing on these file extensions. The 'Styles' directory has several .v and .rev files, carrying copyright information bearing the name Electronic Book Technologies (thus EBT). EBT as a company is long gone. Most of the various book files are encoded (that is, not plain text), though each has an ASCII header. 'EDIR DATA' 'EDIR EDIR' 'EDIR TDIR' and 'EDIR TAGS' (this file is plain text). Anyone have any clues on how to read these files? So far, I've tried so far: Adobe FrameMaker (trial), Adobe Acrobat Pro 9, Altova StyleVision (trial), DynaText 4.1. Thanks! --Shaun