| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Speak in a Week French: See, Hear, Say & Learn | 978-1-59125-543-7 | 2005 | Inc Penton Overseas · Donald S. Rivera |
| Speak in a Week French Week 2: See, Hear, Say & Learn | 978-1-59125-426-3 | 2004 | Inc Penton Overseas · Donald S. Rivera |
| Speak in a Week!: French Week One | 978-1-59125-425-6 | 2004 | Inc Penton Overseas · Donald S. Rivera |
| Speak in a Week Mandarin Chinese Week 2 | 978-1-59125-660-1 | 2006 | Shannon Shi |
| Speak in a Week Mandarin Chinese Week 3 | 978-1-59125-699-1 | 2006 | " |
| Speak in a Week Mandarin Chinese: Week One | 978-1-59125-659-5 | 2006 | |
| Speak in a Week!: See, Hear, Say & Learn Spanish: 4 week Set | 978-1-59125-319-8 | 2005 | Inc Penton Overseas |
| Speak in a Week!: See, Hear, Say and Learn Mandarin Chinese Complete 4 Week Set | 978-1-59125-701-1 | 2006 | Shannon Shi |
| Speak in a Week Spanish Week 2: See, Hear, Say & Learn | 978-1-59125-286-3 | 2003 | Inc Penton Overseas · Donald S. Rivera |
| Speak in a Week Spanish Week 3: See, Hear, Say & Learn | 978-1-59125-287-0 | 2003 | Inc Penton Overseas |