According to CURRENT lds teaching; the Living Prophet® has more clout than old writings.
The BIBLE and the BoM have been superceded by later claims of the Prophets®.
I would suggest instead ...
If you are sincerely interested in knowing the church, then just get a copy of the Pearl of Great Price, JOSEPH SMITH TRANSLATION of the King James Version of the Holy Bible, Doctrines & Covenants and read them start to finish anywhere you wish; and THEN decide whether ANY of the secr.. SACRED Temple Rites® are to be found there.
...it is familiar to all of us. Elder McConkie said, in general conference more than thirty-three years ago:
“The Prophet’s expression that ‘the Book of Mormon is the keystone of our religion’ means precisely what it says. The keystone is the central stone in the top of the arch. If that stone is removed, then the arch crumbles, which, in effect, means that Mormonism so-called—which actually is the gospel of Christ, restored anew in this day—stands or falls with the truth or the falsity of the Book of Mormon. . .