From the back of the book:
VISIT THE EDGE OF EXPLORED SPACE IN THIS TRILOGY OF ADVENTURES FOR THE WHAT'S O.L.D. IS N.E.W. ROLEPLAYING GAME SYSTEM!
This book contains information about the Nereid Sector's 23 star systems, along with three thrilling adventures which form a single trilogy. The PCs will do battle with Ogron Slavers, make first contact with a new alien species, explore an abandoned medical freighter, and infiltrate the mysterious Harvester Moon!