I read the first three books probably twenty years or more ago. I would also advise on reading the appendix first. If not you will be constantly flipping back and forth to understand what the author is referring too.
Another book I would recommend is Kurt Vonnegut’s Slaughterhouse Five. It also has a science fiction time travel element to it.
“Another book I would recommend is Kurt Vonnegut’s Slaughterhouse Five. It also has a science fiction time travel element to it.”
Billy Pilgrim has become unstuck in time.
Not sure I have it exactly right, but that is one of the great opening lines.