Current research rooted in quantum mechanics, cosmology, and string theory concurs that our universe is actually only one of many 'bubbles' in a rapidly growing bath of universes. Interviewed by author Amir Aczel, hear what physicist Brian Greene has to say about the strange worlds of the 'multiverse' in his new book *The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos*. Greene is recognized for groundbreaking discoveries in superstring theory and was called the 'single best explainer of abstruse ideas in the world today' by the Washington Post. Journey to parallel universes, an adventure grounded firmly in science and limited only by our minds.
**Amir D. Aczel** is the author of numerous nonfiction books, including the international bestseller *Fermat's Last Theorem*, which was nominated for a Los Angeles Times Book Award and has been translated into 22 languages. Aczel has appeared on more than 30 television programs, including nationwide appearances on the CBS Evening News, CNN, CNBC, and Nightline, and on more than a hundred and fifty radio programs, including NPR's *Weekend Edition* and *Morning Edition*. Aczel is a Fellow of the John Simon Guggenheim Memorial Foundation.