From the back of the book:

TOURING THE CORE CAN BE DONE ON 100 CREDITS A DAY
BUT ONLY IF YOU DON'T HAVE AN EXPENSE REPORT

EXPLORE THE HISTORY OF THE CONSORTIUM OF WORLDS. DISCOVER WHAT LIFE IS LIKE ON PLANETS OF THE HUMAN CORE WORLDS. DIG UP ALL SORTS OF LEADS FOR XENO-ARCHAEOLOGISTS:

THIS ALTERNATIVE CAMPAIGN STYLE IS A GOOD WAY TO INCORPORATE HACKERS, STUDENTS, HISTORIANS, DOCTORS, TRACKERS, BORED FINANCIERS, RETIRED MERCENARIES, UNDERCOVER AGENTS, AND TREASURE HUNTERS.

ZEENARCHY: slang; comes from the term "xeno-archaeology," which means "the study of alien artifacts and cultures, or artifacts and cultures with unknown origins."

THIS CLASSIC REPRINT OF ZEENARCHS REQUIRES THE SHATTERZONE CORE RULES--EITHER THE ORIGINAL BOXED SET OR CLASSIC REPRINT.