Shortest Book in the bible
3 John with one chapter, 299 words and 14 verses is the shortest book in the bible.
3 John, is the third epistle of John and is a book of the new testament.
The length of the book is measured with the number of words. So 3 John is the book with less number of words of all.
It is the book 3 John.
Shortest book in the old testament
It is the Book of Obadiah
See also the longest book in the bible