I'm sure Dennis' account of the two brothers' journeys will be interesting, but I hope he provides some of his current opinions on what they were thinking way back then. I get the impression that he thinks that some of what they were thinking at the time was to an extent misguided. He mentions the lack of rationality, for example, which I assume is critical given that he's a scientist. I would love to hear a critical analysis of Terence's work from Dennis, but I'm not sure if this book is that.