" Rabalinn on the Rime River
Book I: Player's GuideDesigned for use with the Shadowdark RPG
By James Mishler and Jodi Moran-Mishler
The Rabalinn on the Rime River Player's Guide is the first fully detailed player' guide for the Talismundia Campaign Setting.
The materials presented in this booklet present two new classes, 20 new spells, new patrons for warlocks and witches, and a complete pantheon for the Borean peoples of Talismundia.
This supplement is designed to provide information for developing player characters for a campaign set in the world of Talismundia, particularly in the lands of the Ice-Witch Wastes, Rime River Marshes, Reotan Forest, and Icy Sea of Region 01: The Cold Steppes.
Designed for use with Shadowdark, easily adaptable to any other classic style OSR Role-Playing Game."
The Talismundia Region campaign by James Mishler games just got a major update with the Talismundia Region 01: Rabalinn on the Rime River Book I: Player's Guide. There was a huge info and game dump with the following:
Frostblod Warlock Class
Ice Witch Class
Ice Witch Mishap Tables
Ice Witch Spells four spells each for five tiers
Rimelords, including Ahti and Vellamo (Lawful, Borean), Louhi (Chaotic, Borean), Rlim Shaikorth (Chaotic, Outsider), Skadi (Neutral, Auroran), and Ymir (Chaotic, Auroran)
Rimelord Boons
Borean Gods
Borean Afterlife
Information Tables for the Borean, Auroran, Drakgudar, Hesperian, Holy Church of Law and Temple of Evil Chaos, Tenebrian, and Vesperian Pantheons
However given the amount of material here, there's another OSR role playing game that the Talismundia Region 01: Rabalinn on the Rime River Book I: Player's Guide could easily work with. And that's Castles & Crusades! There's more then enough material here to easily expand anyone's C&C campaign. There's gods, monsters, new classes, and more.

And this is one of the strengths of James Mishler's design work and writing. He knows how to present a product with enough too get the DM started without drowning him or her in the morass finer detail and points.