The Compiler in Grammar 3/1 is a book authored by Al-Harmi for the sons of King Al-Ashraf Al-Rasuli (from Yemen). It is distinguished by its innovative approach, simplifying grammar and removing complexities. The language, structure, and organization are straightforward, embodying an educational and learning-focused approach through discussion, examples, and practical models. It aids in understanding and digestion, highlighting common errors and correcting them. This ensures the book's role as a truly compiled educational tool.

• Author: Omar bin Issa Al-Harmi
• Edited by: Mansour Ali Mohammed AbdulSami
• Published by: Dar Al-Salam, Cairo
• Edition number: 2
• Publication year: 2008
• Number of pages: 1520
• Volume count: 3
• Binding type: Carton-covered binding
• Paper type: White
• Printing colors: Two colors
• ISBN: 977-342-269-0