From the Introduction:
This playaid describes the planet Marinagua. It is Approved For Use With Traveller™.
Covered in the following pages are Marinagua's terrain types, flora, fauna, race, the Invincible Bastion, the Palace of Wealth and the capital city, Balac Pont. Three pages of encounter charts and sketches of the race and fauna are added for your playing enjoyment.
The setting is non-canon. Includes a large full color world hex map.