In 1950, as presiding bishop of the church, Richards expanded his document into a full-length book, which he named after a phrase used in the King James Version of Isaiah 29:13–14; Richards identified the teachings of the LDS Church as the wonder referred to.

Richards donated all proceeds of the sale of the book to the missionary funds of the LDS Church.

[1] The book is considered a Mormon classic and for several years was among the few non-scriptural works that full-time LDS Church missionaries were asked to study.

However, A Marvelous Work and a Wonder is no longer part of the "approved missionary library.

"[5] This article related to a book about the Latter Day Saint movement is a stub.