Ahsan Al-qawaid is a book that teaches the basic rules of Arabic grammar and pronunciation. It is written by Sheikh Muhammad bin Abdul Aziz Al-Musnad and is widely used in Islamic schools and madrasas. The book consists of 16 chapters, each covering a different aspect of the Arabic language, such as the alphabet, vowels, nouns, verbs, prepositions, etc. The book also contains exercises and examples to help the students practice and apply what they have learned. Ahsan Al-qawaid is a useful and comprehensive guide for anyone who wants to learn Arabic or improve their skills in reading and understanding the Quran.