Whether framed philosophically as "Why is there a world rather than nothing at all?" or more colloquially as "But, Mommy, who made God?" the metaphysical mystery about how we came into existence remains the most fractious and fascinating question of all time. Following in the footsteps of Christopher Hitchens, Roger Penrose, and even Stephen Hawking, Jim Holt emerges with an engrossing narrative that traces our latest efforts to grasp the origins...