This Portable, Reusable, Integrated Software Modules (PRISM) documentation Library Release 1.0 Model Document was created by the Central Archive for Reusable Defense Software (CARDS) Program to help disseminate PRISM documentation and knowledge. It represents the current state of the PRISM documentation Library Model. It is 'living' document and will be update with every library release. This document describes library modeling and examines modeling concepts and specialization/aggregation hierarchies. This document is specific to PRISM Documentation Library Model Release 1.0 in its description of document types, actual documents available and future direction of this model. The intended audience is anyone desiring an understanding of the PRISM documentation Library Model and wanting a description of this current Library release. The reader should have an understanding of CARDS and PRISM.