The eternal questions of science and religion were profoundly recast by Einstein's theory of relativity and its implications that time can be warped by motion and gravitation, and that it cannot be meaningfully divided into past, present, and future.

In About Time, Paul Davies discusses the big bang theory, chaos theory, and the recent discovery that the universe appears to be younger than some of the objects in it, concluding that Einstein's theory provides only an incomplete understanding of the nature of time. Davies explores unanswered questions such as:

* Does the universe have a beginning and an end?

* Is the passage of time merely an illusion?

* Is it possible to travel backward -- or forward -- in time?

About Time weaves physics and metaphysics in a provocative contemplation of time and the universe.

The most profound and age-old questions of existence -- for centuries the focus of religion and philosophy -- may soon be answered through the extraordinary advances of a field of science known as the new physics. In this illuminating work, Paul Davies, author of the acclaimed Other Worlds and The Edge of Infinity, writes that the discoveries of 20th-century physics -- relativity and the quantum theory -- are now pointing the way to a new appreciation of man and his place in the universe. They could, in fact, bring within our grasp a unified description of all creation. Demanding a radical reformulation of the most fundamental aspects of reality and a way of thinking that is in closer accord with mysticism than materialism, the new physics, says Davies, offers a surer path to God than religion.

Described by The Washington Post as "impressive," God and the New Physics is a fascinating look at the impact of science on what were formerly religious issues. Elegantly written, a book for both scholars and lay readers of science, it is, according to the Christian Science Monitor, a "provocative...rewarding intellectual romp."

Written in clear language that makes the cutting-edge science of quarks, neutrinos, wormholes, and metaverses accessible to the layman, The Last Three Minutes treats readers to a wide range of conjectures about the ultimate fate of the universe. Along the way, it takes the occasional divergent path to discuss some slightly less cataclysmic topics such as galactic colonization, what would happen if the Earth were struck by the comet Swift-Tuttle (a distinct possibility), the effects of falling in a black hole, and how to create a "baby universe." Wonderfully morbid to the core, this is one of the most original science books to come along in years.

The Fifth Miracle provides convincing arguments that life flourishes, and may indeed have begun, deep within the earth's crust, and not in Darwin's "warm little pond." And if in our planet's crust, why not in others'? Indeed, he shows that it is not just possible but likely that living organisms have passed between Earth and Mars embedded within meteorites. Davies's command of the data and his facility with explaining it to nonprofessionals give the lie to his self-description as "a simple-minded physicist" intruding in another's domain. The best scientists hate to see questions finally answered and love to see new ones raised; by that standard (and by any other), The Fifth Miracle is a first-rate book of scientific speculation. --Rob Lightner