Which religious publishing milestone first achieved sales of over 100 million copies of a single English translation?

Religious texts have a fascinating history of publication and distribution that reveals much about spiritual communities and their growth. Throughout history, religious organizations have innovated in publishing, marketing, and distributing their sacred texts. This poll explores a notable milestone in modern religious text publishing that changed how spiritual content reaches believers worldwide. Test your knowledge about how sacred literature has evolved in the retail and publishing space!

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The New International Version (NIV) Bible, introduced by Zondervan in 1978
The Book of Mormon's revised edition by Deseret Book Company in 1981
The Quran's Abdullah Yusuf Ali translation published by Amana Publications in 1977
The Bhagavad Gita As It Is by A.C. Bhaktivedanta Swami Prabhupada released in 1972