Muhammad Khair Halawani's 'The New Guide in Morphology' (Al-Mughni al-Jadeed fi Ilm al-Sarf) is an indispensable resource for anyone seeking to master the intricacies of Arabic word formation. This comprehensive book systematically unravels the complex rules of Sarf, which are crucial for accurate reading, writing, and comprehension of classical and modern Arabic texts. Halawani presents the material in a clear, accessible manner, making it suitable for both beginners and advanced students. Through detailed explanations and practical examples, the book aims to empower learners with a solid foundation in morphological analysis, enabling them to derive and inflect Arabic words correctly and confidently navigate the rich linguistic landscape of the Arabic language.