English Learning PDFs for B1–C2 Learners and Arabic Speakers

Mastering English Library sells instant-download PDFs by Dawood Al-Saqri for learners at CEFR B1–C2, many of them Arabic speakers: synonyms, vocabulary, tenses, speaking, writing and exam practice. Singles cost $5–$15, bundles $19–$69. Start with the free guide, 20 English Mistakes Arabic Speakers Make.