There are so many traditions on Inauguration Day, but only one is required by law, and that is saying the Oath of Office.
The books of the Bible were very likely written in the cursive ... the lapidary (from the Latin word, lapis, meaning stone) and the uncial (from the Latin word uncia, meaning inch).
President Donald Trump did not place his hand on the two Bibles held by his wife, Melania Trump, when he took his second oath ...