The only book to investigate the parallel between what happens at other times and what happens in other possible worlds.

"Is what could have happened but never did as real as what did happen? What did happen, but isn't happening now, happened at another time. Analogously, one can

From Pulitzer Prize winner Brent Staples, an evocative memoir that poses universal questions: Where does the family end and the self begin? What do we owe our f

Is what could have happened but never did as real as what did happen? What did happen, but isn't happening now, happened at another time. Analogously, one can s

The national bestselling author of The God Equation takes us on a thrilling journey to explore black holes and time machines, multidimensional space and the pos