First, I need to check if this book exists as a published or commonly available PDF. "Muallim ul Quran" translates to "The Teacher of the Quran," which sounds like it could be a study guide or commentary. The author, if it's Dr. Ubaíd, might be a contemporary Islamic scholar. I'll look up the exact title in Arabic to see if there are any matches, because sometimes transliterations can be inconsistent.
While some older versions or excerpts are hosted on document-sharing sites, the author has transitioned to a digital flipbook format for the latest editions to prevent unauthorized downloads. Official Digital Flipbook: You can read the current editions online at the official Muallim-ul-Quran digital books page
Another angle is to offer an overview of what the book contains if I can find information on it. For example, if it's a Quran commentary (Tafsir), I can mention the typical content and methods used in such works. This way, the user gets helpful information even without the PDF.
Muallim-ul-Quran - Making Quranic Arabic Easy and Accessible
Individual units are available as downloadable image/slide sets on the Official Teaching Slides page .