Last night I finished reading Iain McGilchrist's The Matter With Things, Our Brains, our Delusions and the Unmaking of the World , the biggest book I have ever read, in all senses of the word "biggest". Back in 2017 I wrote about books which had been important to me , and, however I would recompile that list now, The Matter With Things would go straight to the top. Really. It's that good. I've read every word: no skipping or coming to and realising that my eyes have been glazed over for the past ten minutes. It's taken me a couple of months to engage with its 1300 or so pages of text, and, as well, there are another couple of hundred pages of appendices and bibliography (well, OK, I haven't read the bibliography). At the end of the book proper there is an epilogue which is a "so what" chapter in which McGilchrist speculates about the implications of his hemispheric theory for the world in the immediate future. This epilogue is preceded by a