Complete Latvian with Two Audio CDs: A Teach Yourself Guide (Teach Yourself Language)
Instant Immersion Latvian - Level 1, 2 & 3 (2-year subscription)
EuroTalk Interactive - Talk Now! Learn Latvian
Book2 English - Latvian For Beginners: A Book In 2 Languages (English and Latvian Edition)
I Will Learn Latvian
Latvian: An Essential Grammar (Routledge Essential Grammars)
Latvian-English/English-Latvian Dictionary & Phrasebook