IT IS THE AUTHOR'S PURPOSE IN THIS BOOKLET TO HELP TEACHERS AND CURRICULUM SPECIALISTS UNDERSTAND WHY LINGUISTICS IS SO IMPORTANT AND TO UNDERSTAND ITS APPLICATIONS IN THE CLASSROOM. THE READER IS ALSO INTRODUCED TO THE HISTORY, TECHNICAL VOCABULARY, AND PRESENT STATUS OF RESEARCH AND THEORY IN LINGUISTICS AND ENCOURAGED TO CONTINUE SELF-STUDY IN THIS FIELD. THE AUTHOR FIRST OUTLINES THE SCOPE OF LINGUISTICS, DEFINES SOME OF THE MOST IMPORTANT TERMS USED BY LINGUISTS, AND REVIEWS THE HISTORY OF LINGUISTICS AS A FIELD OF STUDY. IN A CHAPTER ON "LINGUISTICS AND CLASSROOM PRACTICES" HE DISCUSSES THE IMPORTANCE OF LINGUISTICS IN READING INSTRUCTION, LITERATURE, SPELLING, COMPOSITION AND HANDWRITING, AND GRAMMAR AND USAGE. ANOTHER CHAPTER REVIEWS LINGUISTIC RESEARCH CONCERNED WITH THESE TOPICS AND REFERS THE READER TO SPECIFIC PUBLICATIONS FOR FURTHER INFORMATION. A SHORT FINAL CHAPTER INCLUDES CONJECTURES ABOUT FUTURE TRENDS IN ENGLISH LANGUAGE ARTS INSTRUCTION IN THE 1970'S. APPENDED IS A BIBLIOGRAPHY OF 329 SELECTED BOOKS, PERIODIGAL ARTICLES, RESEARCH REPORTS, AND OTHER MATERIALS OF INTEREST TO THE CLASSROOM TEACHER. THIS PUBLICATION MAY BE OBTAINED FOR $2.75 FROM THE ASSOCIATION FOR SUPERVISION AND CURRICULUM DEVELOPMENT, NEA, 1201 SIXTEENTH STREET, N.W., WASHINGTON, D.C. 20036. (JD)