From the back of the book:
"Conquest And War!
An imperious race invades the Federation! For GURPS Prime Directive!
The most intriguing enemy faced by the Federation is the Romulan Empire, and the Romulans definitely regard the Federation as their greatest foe! There is much more to them.
History of the Romulans: How they left Vulcan, found new worlds, and joined them together into a mighty empire. How Augustus Tal became the first Emperor. The Romulan-Gorn Wars.
Complete Racial Profile: Everything there is to know about the Romulans! Biology, culture, military, government, emperors, religions, economics, legal system, the Great Houses, the State Security Agency, and more!
Planet Survey: Complete data on the twin captials, other star systems, 16 planets, the pirate stronghold of Revlis, the worlds of the Neutral Zone, and basic data on even more planets!
Starships: A survey of the three different series of Romulan ships. The ancient Eagles (including the Vulture, Warhawk, Snipe, and Falcon). The converted Kestrels (KRs, K7Rs, K5Rs and others built from Klingon designs). The new Hawks (SparrowHawk, FireHawk, NovaHawk, and more).
Technology Files: Plasma rifles, cloaking devices, lasers, slugthrowers, modular weapons!
Adventure! Deliver your cargo to Abraxas station and watch the Great Houses big against each other. Slip across the border to a pirate base. How many Vulcans you've met are actually Romulans?"