Tolkien Quest
Fantasy (High Fantasy) Kid-Friendly
Attribute/Stat Based (STR, CON, PER, etc) Class Based (Pilot, Wizard, Scientist, etc) Dice (Percentile) Dice (Primarily d6) GM-less (No gamemaster needed to play) Hex-based (uses hex terrain for move/combat) Random Attribute Generation (during Character Creation) Reading (for Periodicals, Adventure Books, etc)
The Tolkien Quest and Middle-Earth Quest books were published by Iron Crown Enterprises.
These interactive adventures books were among the most complex gamebooks ever published, using hex maps to allow movement and each featuring about thirty pages of rules in each volume with the rules and optional rules divided into three complexity levels:
Tolkien Quest later developed into Lord of the Rings Adventure Game System and Middle-earth Role Playing (1st & 2nd Editions) with included conversion rules.