Matthew Poole and continuators on Ezekiel 2:9

9 And when I looked , Behold, an hand was sent unto me, and lo, a roll of a book was therein.

The Prophet newly come out of that astonishing trance wherein he lay, and gotten upon his feet, hearing what was spoken, and possibly looking if he might see who spake, he discovers an hand.

Either of one of those Angels which Ministred before the Lord, or the hand of God, or of Christ this might fortifie the Prophet when he saw a hand, so soon with him as he was ready to hear and obey, power and skill to defend and guide him will ever be as ready.

An Eastern idiome of speech.

Their Books were not of that fashion and make as ours now are, but written in Parchment and in the length of it, and so one piece fastened to other, till the whole would contain what was to be written, and then was it wrapt or rolled about a round piece of wood, fashioned for that purpose hence Books are Volumes.