In a 1924 book on Assyria, Luckenbill suggests that Kushite Egypt’s force could be solely responsible for ousting Sennacherib. In a four-sentence passage (the longest sustained discussion that I have encountered on actual Kushite success against Sennacherib), Luckenbill says the Battle of Eltekeh conceivably could have occurred not before the siege of Jerusalem, as Sennacherib’s account appears to place it, but during the siege.