Inverted World, by Priest, Christopher
Investigator Sheets (For Call of Cthulhu 5th ed., Diabolical Dossiers of Doom), by
Investigator's Companion vol. 2 (Call of Cthulhu Horror Roleplaying, 1920s, #2346), by Herber, Keith, Ross, Kevin A., Rucka, Greg, O'Connell, Gary
Invisible Sun RPG The Nightside Box, by Monte Cook
Iowa Trolleys in Color, by Edward A. Ridolph
Iron Kingdoms Kings, Nations, and Gods RPG VG++, by
Iron Kingdoms RPG Core Rules, by Privateer Press
Iron Kingdoms Unleashed Core Rules VG++, by Staff
Iron Kingdoms Unleashed Game Master Toolkit New, by Mixed Authors
Ironclads & Ether Flyers: Aeronaval Combat for Space 1889, by Frank Chadwick
Ironclaw: Anthropormophic Fantasy Role-Play, by Holmgren, Jason
Ironsworn RPG Reference Guide, by Staff
Ironsworn Starforged RPG, by Staff
Isengard and Northern Gondor (Middle Earth Role Playing/MERP Book + Full Color Regional Map), by Christian Gehman
Isis Coordinates (Star Wars RPG), by Christopher Kubasik
Iskloft RPG Grim Tales in a Frigid Land, by Lloyd Collins
Island at the Edge of the World (Palladium Rpg, Book Six), by Siembieda, Keivn, Bartold, Thomas
Islands of the Oracle (Shadow World Exotic Fantasy Role Playing Environment, Stock No. 6011), by John Crowdis
Isle of Death (Hackmaster 4th edition RPG), by Trenton L. Isaacson,Joe Reimers
Isle of the Ape (AD&D Fantasy Roleplaying, Greyhawk Adventure+Map, WG6/9153), by Gygax, Gary
It Came From the Late, Late, Late Show II (The Exploitation Sequel: Demonna's Revenge!), by
It Came from the Late, Late, Late Show II, by Staff
Iuz the Evil (AD&D/Greyhawk Module WGR5), by Sargent, Carl
Jade Falcon Sourcebook (Battletech No. 1644), by Peterson, Boy F., Jr.
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