Which Surah is nicknamed "the sister of the two long ones"? And who is the Companion whom the Messenger nicknamed "the Reciter" and made him the Imam of Quba Mosque? And who is the author of the book "This Religion Between the Ignorance of Its People and the Malice of Its Enemies"?

Firstly: There is no surah named "Umm al-Taweelatayn" (Mother of the Two Long Ones), nor is the term "al-Taweelatayn" (The Two Long Ones) applied to any surah. However, Surah Al-A'raf is referred to as "Tulá al-Tūlayayn" (The Longer of the Two Long Ones).

Secondly: The Companion whom the Messenger of Allah, peace and blessings be upon him, nicknamed "al-Qari'" (The Reciter) and appointed as the Imam of Quba Mosque is Sa'd ibn 'Ubayd ibn al-Nu'man al-Awsi. It is also said that he is Abu Zayd, who was mentioned in the hadith concerning the compilation of the Qur'an.

Thirdly: The author of the book "Al-Islam Bayna Jahl Abna'ih wa Kayd A'da'ih" (Islam Between the Ignorance of Its Adherents and the Malice of Its Enemies) is Abdul Qadir Oudah.