A Textbook for Beginning Arabic (Set of 5 Book) الكتاب في تعلّم العربية

This Arabic language textbook program uses a communicative, proficiency-oriented approach designed to teach modern Arabic as a living language. For anyone interested in learning modern Arabic.
The series focuses on developing skills in standard Arabic and gradually introducing readers to Egyptian Arabic, the most widely spoken dialect in the Arabic-speaking world. This highly acclaimed series is developed by educators and linguists, with the specific needs of adult language learners in mind. Each level provides approximately 150 contact hours of college-level instruction. Parts of the series have been updated with contemporary selections for reading comprehension. Series begins at the most basic, introductory level, and moves all the way through advanced proficiency. Ideal for western students. Themes are heavily cultural, not necessarily Islamic.
Or buy individually:

1. Al-Kitaab fii Ta'allum al-'Arabiyya - A Textbook for Arabic: Part Two (Second Edition, with Multimedia) الكتاب في تعلم العربية
2. Al-Kitaab fii Ta'allum al-'Arabiyya - A Textbook for Arabic: Part Three with Multimedia الكتاب في تعلم العربية
3. Answer Key to Al-Kitaab fii Ta'allum al-'Arabiyya - A Textbook for Beginning Arabic: Part One (Second Edition) الكتاب في تعلم العربية: دفتر الإجابات
4. Answer Key to Al-Kitaab fii Ta'allum al-'Arabiyya - A Textbook for Arabic: Part Two (Second Edition) الكتاب في تعلم العربية: دفتر الإجابات
5. Al-Kitaab fii Ta'allum al-'Arabiyya - A Textbook for Beginning Arabic: Part One (Second Edition, with Multimedia) الكتاب في تعلم العربية