A great read. . . . I highly recommend it. --Ira Flatow, host of National Public Radio's Science Friday Lisa Randall, a leading theorist, has made major contributions to both particle physics and cosmology. --Brian Greene, bestselling author of The Elegant Universe and The Fabrics of the Cosmos Randall is one of the most influencial and exciting young theoretical Physicists working in elementary particle physics and cosmology today. --Lee Smolin, author of Three Roads to Quantum Gravity