37 Masalah Populer is a best-selling book in Indonesia authored by Ustadz Abdul Somad, Lc, MA, who hails from Riau. The book is a comprehensive guide on various Islamic issues that are often misunderstood or cause confusion among the masses. The author’s intelligent and straightforward approach to the topics, coupled with his expertise in delivering speeches, makes this book a must-read for anyone looking to gain a deeper understanding of Islam.

The book covers a wide range of topics, including the differences between Islamic schools of thought, bid’ah (innovation in religion), understanding ambiguous verses and hadiths, acting upon weak hadiths, and many more. The author also sheds light on contemporary issues, such as nationalism, that are currently being discussed in society.

The book’s popularity can be attributed to the author’s skill in presenting complex ideas in a simple and understandable manner. The book is available for free download in PDF format, with the author’s permission to distribute it widely on the internet. It is an excellent resource for anyone looking to broaden their knowledge of Islam and its teachings.