30 Days of WorldBuilding. By popular demand, you can now download the Magical WorldBuilder Guide in three easy-to-carry (non-DRM) formats: PDF for printing out at home or reading on a computerePub for use with many fine ereader devicesMOBI for use with Kindles and MobiPocket software.As of 2007, The world-builder exercises are licensed under a Creative Commons license to help you in deciding whether you can translate (yes, with credit back), distribute to your writing group (yes, with credit), sell (not without permission), reprint (yes, for non-commercial purposes), or mirror (yes, with credit back) this useful guide!
In October, 2004, I posted 30 days of world-building exercises to the NaNoWriMo discussion forums. A Way With Worlds - Entire Column Listing. Fantasy Worldbuilding Questions.