Introduction -- Arabic L2 phonology. the perception and production of Arabic lexical stress by L1 English and L1 Chinese learners of Arabic: a usage-based account / Cheng-Wei Lin and Mohammad T. Alhawary -- Production of modern standard Arabic lexical stress cues by native speakers of American English / Mashael Al-Aloula -- Native English speakers' perception and production of Arabic consonants / Asmaa Shehata -- The perception and production of Arabic consonants: a cross linguistic study / Sara Al Tubuly -- Arabic L2 phonology acquisition: a ultrasound study of emphatics and gutturals / Amanda Eads, Jodi Khater, and Jeff Mielke -- The L2 acquisition of modern standard Arabic final consonant clusters by L1 Chinese speakers / Mona Al Moataz Maamoun -- Arabic L2 vocabulary. Looking at words: an eye-tracking investigation of L2 Arabic vocabulary learning / Ayman A. Mohamed -- Keyword vs context strategies among different levels of Arabic language learners / Olla Najah al-Shalchi -- L2 Arabic of morphosyntax. The acquisition of resumptive pronouns: how do second language learners of Arabic do it? / Dola Algady -- Arabic L2 learners' use of word order and subject-verb agreement for actor role assignment / Jamil Al-Thawahrih -- Arabic L2 reading & corpus-aided language learning. Corpus linguistics and critical reading and thinking: proposals for teaching learning sequences based on journalistic corpora in Modern Standard Arabic / Nadia Makouar -- Arabic L2 writing: discourse analysis & measuring production. Writing in Arabic: discourse analysis and pedagogical reflections / Dris Soulaimani -- Comparing the complexity, accuracy, and fluency of written Arabic in the production of advanced learners and native speakers / Michael Raish -- Arabic L2 speaking & intercultural learning (in study abroad). Research-based interventions for language and intercultural learning / Emma Trentman -- Code-switching in L2 Arabic collaborative dyadic interactions / Khaled Al Masaeed -- Arabic heritage language learners. Proficiency in standard Arabic and its predictors: the case of heritage speakers in college-level elementary Arabic classrooms / Abdulkafi Albirini -- Effect of age of acquisition on concept mediation in heritage Arabic bilinguals / Iyad Ghanim -- The Arabic L2 teacher: teacher training & self-positioning. effect of using a collaborative video-based self- evaluation activity on helping afl student-teachers tie theory to practice / Raghda El Essawi -- "I am living in a bubble of privilege, [but] I am eternally worried": two Arabic language users' views on culture and self-positioning as teachers / Brahim Oulbeid