Houghton Mifflin Harcourt 4 Titles
- English 7
- French 6
- Spanish 5
- Afrikaans 4
- Arabic 4
- Belarusian 4
- Bulgarian 4
- Bengali 4
- Tibetan 4
- Brazilian Portuguese 4
- Bosnian 4
- Catalan 4
- Czech 4
- Danish 4
- Greek 4
- Estonian 4
- Persian 4
- Finnish 4
- Hebrew 4
- Hindi 4
- Croatian 4
- Hungarian 4
- Armenian 4
- Indonesian 4
- Icelandic 4
- Italian 4
- Japanese 4
- Khmer 4
- Korean 4
- Kashmiri 4
- Lao 4
- Lithuanian 4
- Macedonian 4
- Mongolian 4
- Malay 4
- Multiple Languages 4
- Burmese 4
- Nepali 4
- Dutch 4
- Flemish 4
- Norwegian 4
- Polish 4
- Pashto 4
- Portuguese 4
- Romanian 4
- Russian 4
- Serbo-Croatian 4
- Slovak 4
- Slovenian 4
- Somali 4
- Albanian 4
- Serbian 4
- Swedish 4
- Syriac 4
- Thai 4
- Turkmen 4
- Turkish 4
- Ukrainian 4
- Vietnamese 4
- Chinese 4
- Chinese simplified 4
- Chinese traditional 4
