Creating a language file for FAQ Book is an easy task.
1. Go to your_site/components/com_faqbook/language/en-GB/
2. Open the file en-GB.com_faqbook.ini
3. Translate the text inside quotes
4. Save the file as your_language.com_faqbook.ini inside the folder your_site/components/com_faqbook/language/your_language/
For example, if your language is French then save the file as fr-FR.com_faqbook.ini inside the folder your_site/components/com_faqbook/language/fr-FR/.
5. Go to Joomla administration area -> language manager and select your language as the site default language.