- Learn Mandarin Chinese - Easily, Effectively, and Fluently · 2008
- Learn French Easily, Effectively, and Fluently · 2008
- Learn Russian Fluently, Easily and Effectively · 2012
- Learn Russian Fluently, Easily and Effectively · 2012
- Learn Hebrew - Easily, Effectively, and Fluently · 2009
- Learn French Easily, Effectively, and Fluently · 2008
- Learn Russian Fluently, Easily and Effectively · 2012
- Learn French Easily, Effectively, and Fluently · 2008
- Learn Czech Easily, Effectively, and Fluently · 2012
- Learn Finnish Easily, Effectively, and Fluently · 2012
- Learn Thai - Easily, Effectively, and Fluently · 2009
- Learn Hebrew - Easily, Effectively, and Fluently · 2009
- Learn Czech Easily, Effectively, and Fluently · 2012