Making Up the Afterlife: David Eagleman’s SUM

One of my favorite books is Alan Lightman's Einstein's Dreams, in which Lightman, an MIT physicist, imagines Einstein considering multiple modes of experiencing time.   Time moves backwards, in endless repetition, in varying cycles of stunning strangeness.  Einstein's Dreams is an elegant, vastly imaginative look at one of life's deepest mysteries.   David Eagleman's SUM: Forty …