Level Up System Reference Documents

Publisher's blurb: The contents of the Level Up System Reference Documents (LUSRDs) below are designated as Open Gaming Content (OGC) as defined by the Open Gaming License v1.0a (OGL). You may copy, modify, or distribute the contents of these documents under the terms set out on the OGL. It is your responsibility to ensure that you are familiar with and understand the OGL before using this material. Any content from any Level Up book, PDF, website, tool, or other publication not included in the LUSRDs is not Open Gaming Content.