Pimsleur Vietnamese 1
Vietnamese Phrasebook - Lonely Planet
The Rough Guide to Vietnamese Dictionary Phrasebook (Rough Guide Phrasebooks)
Lexus and Rough Guides
Beginner's Vietnamese - Robert M. Quinn
This book will help you to learn basic Vietnamese but certainly it would be easier to use it if you had a teacher. My recommendation is to first get acquainted with the language by listening to Pimsleur CDs and then learn more from books.
EuroTalk Interactive - Talk Now! Learn Vietnamese (CD-ROM)
learn-vietnamese-subliminal-CD
vietnamese-CD-berlitz
Sing and learn Vietnamese - book and audio CD
This book helps you learn the Vietnamese language through favorite songs sung in Vietnam for children of all ages. With 14 traditional melodies, you will enjoy learning about family, animals, numbers, colors and more. Lyrics are written in Vietnamese and English. Illustrations promote understanding of culture and enhance learning. Pronunciation Guide, English and Vietnamese Glossary, cultural notes and activity guides are included. 24 pages paperback and audio CD
Tuttle - Making out in Vietnamese
Milet Bilgingual Visual English-Vietnamese Dictionary
Spoken Vietnamese (book 310 pages and 6 Cassettes)
Vietnamese - Reading and Writing in Vietnamese CD-ROM
In-flight Vietnamese: learn before you land
Oxford Picture Dictionary: English/Vietnamese
additional links:
1) a list of books to learn Vietnamese
2) Vietnamese radio BBC
from London
3) Little Saigon Radio
4) Vietnam travel forum discuss with the others all things related to Vietnam