From the back of the book:
"Collected into one big volume for the first time ever.
- The three original Mechanoids books - The Mechanoid Invasion, The Journey and Homeworld!
- Great villains, alien races, psionics and more.
- Three unique levels of adventure.
- A short history concerning the beginning of Palladium Books and its first RPG, The Mechanoid Invasion.
- Conversion Notes for using the Mechanoids in Rifts, Robotech and Heroes Unlimited.
- A Glimpse at Palladium's past and humble beginnings."