The Complete Lojban Language is a complete description of the artificial language Lojban. It serves as a reference grammar for the language, offering an overview of the language, as well as linguistic details on every aspect of the language. This book serves as the standard defining the language design. That design has been declared frozen for a minimum 5 year period; anyone who learns the language from this book can be assured that it will not be continually changing. Though this description may sound imposing, technical and formal, the book is written in a light, often humorous style that teaches the reader about the Lojban language, about logic, and about linguistics in general.
An online draft version of The CLL called The Lojban Reference Grammar is available. A list of errata is also available. Most of the errata have been approved.
What is Lojban? is intended as a concise introduction to Lojban, providing a taste of the language for those who may decide to take an interest in it.