These are a grouping of books in the Christian Old Testament and are cantered on a prophet, traditionally regarded as the author of the respective book.
The term “major”refers only to their length, in distinction to the Twelve Minor Prophets which have much shorter books.
The books in order of their occurrence in the Christian Old Testament are:
1. Book of Isaiah
2. Book of Jeremiah
3. Book of Lamentations
4. Book of Ezekiel
5. Book of Daniel