The Wyrmship Technical Manual is a supplement detailing the technomantic wyrmships, a type of magic-powered space ship.
From the back of the book:
More Than Just Deck Plans
This manual is the definitive sourcework for Taldesaurek leaders with a need to know how and why the wyrmship maintains its status as a galaxy's most powerful weapon platform. Compiled through the careful collection of briefing transcripts, flight logs, official records, and manufacturers' documentation, this manual provides a wealth of sensitive information never before presented in a single document.
Herein you will find an illustrated overview of the Taldesaurek Defense Force and a no-holds-barred look into a lethal world Where life and death meet in a stream of raw energy. It includes in-depth descriptions of power sources, propulsion systems, weaponry, avionic gear, flight control equipment, and defensive apparatus. It also contains tactics and operational guidance for employing this equipment against a relentless foe.
Don't go into battle without it!