Full title from credits page:
The World of Synnibarr: 3rd Edition
The Ultimate Adventurers Guide I
The Original Scifi-Fantasy Role Playing Game
The Synnibarr player's rulebook
From the cover:
The Synnibarr player's rulebook that contains:
- Adventurer character creation
- Races, guilds, and organizations
- The basic combat system
- The book of the mystic arts