The only reliable reference

You've caught up with the first four episodes, so now here's one more vitally illuminating page from near the start of Chapter Two ("The Wrong Side of Bedlam") where Jack finally learns what's up, docs. A green comet is causing reality and fantasy to merge, and it's only going to get worse through the year as the comet draws nearer to the Earth. The upside, from the RMS point of view: "We're going to need a bigger office..."