Text and illustrations describe the layout, important buildings, and daily life of a typical Roman town.

Text and illustrations describe the physical layout, operations, and personnel of a drilling platform or oil rig, production platform, and oil tanker.

Text and illustrations describe the physical layout, operations, and personnel of a typical large airport.

A brief examination in text and illustration of reports of UFO sightings with some possible explanations about the origin and purpose of these mysterious objects.