PLEASE SEE:

0. NEW INSTRUCTIONS STARTING JUNE 2019

1. Maps for your Internet-in-a-Box, thanks to OpenStreetMap (IIAB 6.6 Release Notes)
2. How do I add zoomable maps for my region? (FAQ.IIAB.IO)
3. Full instructions & explanation (GitHub)
4. How do I combine multiple .mbtiles files (vector map files, highlighting different regions) into a single .mbtiles file? (append2region)