IntroductionMichael Adams: Arden Smith: International Auxiliary Languages Howard Jackson: Invented Vocabularies: Newspeak and Nadsat Stephen Watt: Oirish Inventions: James Joyce, Samuel Beckett, Paul Muldoon Edmund Weiner: Tolkien's Invented Languages Marc Okrand, Judith Hendriks-Hermans, Sjaak Kroon: Klingon and other Science Fiction Languages Michael Adams: Logical Languages James Portnow: Gaming Languages and Language Games Suzanne Romaine: Revitalized Languages as Invented Languages Appendices: Samples and Formal Descriptions of Some Invented Languages Index