Book before Romans (4)
I believe the answer is:
acts
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">book before romans</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for acts that I've seen before include "these for variety show" , "New Testament book immediately following the Gospels" , "Cast in exploits" , "Does something" , "Behaves or plays" .)