DS MapBook is a visual basic 6 developer sample for ArcMap which simplifies the generation of map series (e.g. NTS maps). There is a project to enhance and extend the original developer sample hosted at http://arcmapbook.googlepages.com/. You may find some of the names there familiar 🙂
Arcmapbook is useful for versions 8.3 through 9.3.1. As of v10 the mapbook concept is integrated into the core product under the name Data Driven Pages.
A mapbook series based on irregular, discontinuous polygons:
A strip series with overlapping polygons following a road:
A series based on a regular grid, in this case NTS maps: