Lscarlette
Therefore, it expounds on historical events that are important to the Ethiopian church and state. Since some of the events do not carry universal importance to all nations, they are not included in the Bible.
The Kebra Nagast is a book of Ethiopian LEGENDS written in the 14th century, long after the Holy Bible was completed. It's not known how much of it is true, and it's obviously not INSPIRED by God. So, it's obviously not a part of the Holy Bible, and there is no hint that it should be.