"Parallel Worlds" is a journey into the depths of imagination, into black holes, time machines, alternate universes, and multidimensional space.

It is a dazzling portrait of the tumultuous revolution sweeping through today's cosmology landscape. Our Universe resembles a cosmic bubble that swirls eternally within an ocean of universe-bubbles. What is its fate? Could its disappearance signify the end of our own Universe?

Around it - just millimeters away - Great Explosions are constantly occurring, through which new, parallel (to ours) universes are born. Could humanity, after billions of years - during that grim era - just before our Universe ends, cold and dark, in eternal oblivion, perpetuate its existence by transitioning to another, neighboring universe?

The idea of parallel worlds and the string theory that interprets their existence were once met with suspicion, and the scientists who defended it were considered mystics, lunatics, or charlatans. Today, physicists passionately support it, even adopting its recent version, M-theory, as the only correct theory, the most elegant and simple answer to the ultimate question: "What was there before the Big Bang?"