Vietnamese Complete Intensive Course - Multilingual Books Intensive Foreign Language Cassette Series Author:Eleanor Jordan, Quary Ngugen, Charles Ghoelan, Ghellan Charles, Quang Nguyen, Eleanar Jordan Developed by the Foreign Service Institute for teaching diplomatic personnel, this book and cassette course is perfect for independent or small group study. FSI courses are thorough, comprehensive, and widely regarded as the best available. this book and cassette course is perfect for independent or small group study. FSI courses are thorough, c... more »omprehensive, and widely regarded as the best available. The Vietnamese Basic Course begins with a guide to pronunciation because Vietnamese is a "tone language" in which the meaning of a word can change when it is pronounced with a different musical pitch or pitch contour. Further instruction is available in Level 2.« less