T. C. Schmidt has bravely added to the bibliography on the so-called Testimonium Flavianum in Josephus, with a new book through Oxford University Press, titled: “Josephus & Jesus: New Evidence for the One Called Christ.” The author makes the case that this much-discussed passage is “substantially authentic.” In doing so he responds to recent scholarship on the subject, some of which has been unduly sceptical.
But thankfully the PDF is open-access! It can be downloaded from OUP here, or at the promotional website at https://josephusandjesus.com/. Amazon.com here, and Amazon.co.uk here, in a few days.