Complete the following sentence: The work in its fullest form is divided into nine books, but Gilo's original work apparently only contained five, one each on the siege of Nicaea; the first siege of Antioch; the second siege of Antioch; the capture of Bara,
Maʿarrat an-Nuʿman and Tartus; and the fall of Jerusalem. ️<unk>️<unk>️<unk>️<unk>️ There are unique details in Gilo's work that suggest that he had access to eyewitnesses.<unk> There are unique details in Gilo's work that suggest that he had access to eyewitnesses.