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The Hollow World

Cave Paintings: Books of the Ancients by Håvard from The Piazza posted 8 August 2016.

Maps of Iciria, 40 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 25 February 2016.

Reprojected maps of the Hollow World by Thorfinn Tait, from the Hollow World Facebook group posted 9 July 2015.

Kingdom of Braejr and the Radiant Vale by Håvard from The Piazza posted 9 July 2015.

Barrik's Vale aka Valley of the Eternal Sun by Håvard from The Piazza posted 9 July 2015.

Immortals from the Hollow World by combatmedic, from The Piazza posted 28 May 2014.

Realms not in the HW boxed set by Håvard from The Piazza posted 10 May 2013.

Rethinking Cultural Bias by Andrew Theisen, from The Piazza posted 25 December 2011.

Thonian Blackshirts by Håvard from The Piazza posted 14 December 2011.

Adventure Seed: Secret of the Dinosaur Graveyard by Håvard from The Piazza posted 2 December 2011.

Radiant Valley: Radiance Based Country in the Hollow World by Håvard, Geoff Gander and DJ Hartel from The Piazza posted 21 October 2011.

Pre-Literate and Alternative Spellbook Options by Andrew Theisen, from The Piazza posted 3 September 2010.

Hollow World Barter System/Alternate Economies by Andrew Theisen, from The Piazza posted 3 September 2010.

Paths to Immortality in the Hollow World by Andrew Theisen, from The Piazza posted 23 August 2010.

Floating Continents by Andrew Theisen, from The Piazza posted 4 August 2010.

Thoughts on the Anathy Archipelago by Andrew Theisen, from The Piazza posted 30 July 2010.

Populating the Hollow World: Immortal Action by Andrew Theisen, from The Piazza posted 23 May 2009.

Hollow World: World Map, non-hex by Thorfinn Tait, from The Piazza posted 2 April 2009.

Cultural Bias and the Spell of Preservation by Ashtagon, from The Piazza posted 26 February 2009.

How can we balance non-armour cultures in OD&D Hollow World by John Walter Biles from The Piazza posted 5 July 2008.

Hollow World Planetary Map by Håvard, from The Piazza posted 7 June 2008.

The Engloutis Archipelago by Håvard, from the Mystara Mailing List posted 17 March 2007.

Hollow World maps by Håvard, from the Mystara Message Board posted 17 November 2005.

Cultural bias for Hollow World cultures by Herzog from the Mystara Message Board posted 10 September 2005.

Map of Southern Iciria, 1000 AC by Thorfinn Tait, from the Mystara Message Board posted 20 April 2005.

Hollow World 3.5 race conversions by Gary Davies from the Mystara Mailing List posted 24 March 2005.

Map of Northern Iciria, 1000 AC by Thorfinn Tait, from the Mystara Message Board posted 4 March 2005.

Alternate Hollow World Trade Languages by Giampaolo Agosta from the Mystara Mailing List posted 2 September 2001.

About Hollow World Creatures by Jeff Querner current as of 6 June 2001.

Quauhnahuac by Gilles Leblanc, current as of 29 May 2001.

Hollow World Adventure by Gilles Leblanc, current as of 15 May 2001.

Fleshing out Mystery in Aegos by Gilles Leblanc, from the Mystara Message Board posted 26 April 2001.

Key to the Hollow World (a short story to illustrate a theory) by David Knott, from the Mystara Mailing List posted 18 May 2000.

Hollow World Timeline by Andrew Theisen, from the Mystara Mailing List posted 24 June 1999.

Xanthipon's Chthonolabe: a Device to Calculate Hollow World Shadowfall. An Excel7 file by Martin Edwards, current as of 19 March 1998.

News of the Hollow World by Frederick Weining, from the AOL Mystara Message Board posted 15 December 1995.