Complex sentence: The standard works of The Church of Jesus Christ of Latter-day Saints (LDS Church) are the four books that currently constitute its open scriptural canon, due to the LDS belief in continuous revelation.
Split into simpler sentences: The standard works of The Church of Jesus Christ of Latter-day Saints (LDS Church) are the four books that currently constitute its open scriptural canon. The scriptural canon is "open" due to the LDS belief in continuous revelation.