This text guides readers through creating, sharing and exploring Internet documents using SGML (Standard Generalized Markup Language), a metalanguage for defining markup languages, offering a logic-driven, objects-and-attributes based approach to information handling. The author provides specific instructions for implementing a SGML application, including planning the application, capturing the data, managing the information, and putting it to work in a page layout, step-by-step, for individuals, networks and information systems.