PositiveThe Boston GlobeThe tension between revolutionary discipline and artistic freedom might sound like a familiar theme, yet I can’t recall any other recent book which offers such a prismatic perspective on the matter...If Barnes’s moving, Booker Prize-winning novel, The Sense of an Ending, which similarly charted the course of a life in less than 200 pages, was a book of the heart, this one is very much of the head. But it is a brilliant head, which leads us to places only a handful of novelists have the skill and the courage to go.