Dungeons & Dragons                            
 Code  Title
 JG14  Original Ready Ref Sheets
 JG14  Ready Ref Book Vol 1
 JG27  Tegel Manor
 JG34  Modron
 JG48  Wilderlands of High Fantasy (Wilderlands series 1 of 4)
 JG52  The Thieves of Fortress Badabaskor
 JG55  (GenCon IX Dungeon)
 JG61  Island Book I
 JG62  Revised City State of the Invincible Overlord ( 1st city State Revised)
 JG63  Citidal of Fire
 JG67  Fantastic Wilderlands Beyonde (Wilderlands series 2 of 4)
 JG71  Frontier Forts of Kelnore
 JG76  The Dragon Crown
 JG80  Of Skulls and Scrapfaggot Green (GenCon X Tournament Dungeon)
 JG92  Wilderlands of the Magic Realm (Wilderlands series 3 of 4)
 JG93  Under the storm giant's castle
 JG95  Survival of the Fittest
 JG96  Treasury of Archaic Names
 JG102  Caverns of Thracia
 JG108  Verbosh
 JG109  Operation Ogre
 JG111  Mines of Custalcon (Wilderness Book 1 of 5)
 JG113  The Book of Treasure Maps
 JG118  Sword of Hope sequel to "JG119 Tower of Ulission"
 JG119  Tower Of Ulission
 JG270  Spies of Lightelf (Wilderness Book 2 of 5)
 JG300  Wilderlands Of The Fantastic Reaches (Wilderlands series 4 of 4)
 JG320  Book of Treasure Maps II
 JG420  The Unknown Gods
 Advanced Dungeons & Dragons                          
 Code  Title
 JG87  Character Codex
 JG88  Dark Tower
 JG114  The Maltese Clue
 JG117  Temple of Ra Accursed by Set
 JG124   Escape from Astigar's Lair
 JG190  The Treasure Vaults of Lindoran
 JG210  Inferno
 JG260  Portals of Torsh (Part 1 of the Portal series)
 JG460  Book of Ruins
 JG560  Portals of Irontooth (Part 2 of the Portal series)
 JG570  Quest for Lara's Tower
 JG630  Dragon's Hall
 JG650  Trail by fire
 JG660  Zienteck
 JG670  House on Hangman's Hill
 JG750  The Illhiedrin Book
 JG770  Portals of Twilight