This book is a comprehensive introduction to the art of theatre lighting and sound. It can be used by the novice who aims to become expert, or by the experienced technician to improve working methods, pick up new ideas and skills, and consolidate old ones. Constructed clearly and concisely, it can be read as a whole or dipped into for specific references. With an extensive glossary and index, the book is designed to give the reader instant access to essential information and inspiring ideas.