This is a difficult book to describe so here is the start of the New Yorker review for it back in 2005 to help me out!
There is something about John Bergers writing that is contemplative, perceptive but kind. The way he connects with the world and shares it has a kind of grace. Here he is an elderly man and using the contrivance of meeting and conversing with different ghosts to work out some philosophy or life lessons. ⬇️