What book of the Bible has the most chapters? That distinction goes to the book of Psalms at 150 chapters. The second is the book of Isaiah with 66 chapters.
In fact, the top 13 books in the bible with the most chapters are in the Old Testament. In order, they are:
Psalms (150)
Isaiah (66)
Jeremiah (52)
Genesis (50)
Ezekiel (48)
Job (42)
Exodus (40)
Numbers (36)
2 Chronicles (36)
Deuteronomy (34)
1 Samuel (31)
Proverbs (31)
1 Chronicles (29)
In the New Testament, the two books with the most chapters are Matthew and Acts with 28.
Five books of the Bible have 1 chapter They are Obadiah, Philemon, 2 John, 3 John, and Jude.
You may not be able to read the longest book of the Bible in one day, but you could read the five shortest books in about half an hour.