Discusses Dimensions Of Space, Early Twentieth-century Advances, The Physics Of Elementary Particles, String Theory And Branes, And Proposals For Extra-dimension Universes. Introduction -- Entryway Passages : Demystifying Dimensions -- Restricted Passages : Rolled-up Extra Dimensions -- Exclusive Passages : Branes, Braneworlds, And The Bulk -- Approaches To Theoretical Physics -- Relativity : The Evolution Of Einstein's Gravity -- Quantum Mechanics : Principled Uncertainty, The Principal Uncertainties, And The Uncertainty Principle -- The Standard Model Of Particle Physics : Matter's Most Basic Known Structure -- Experimental Interlude : Verifying The Standard Model -- Symmetry : The Essential Organizing Principle -- The Origin Of Elementary Particle Masses : Spontaneous Symmetry Breaking And The Higgs Mechanism -- Scaling And Grand Unification : Relating Interactions At Different Lengths And Energies -- The Hierarchy Problem : The Only Effective Trickle-down Theory -- Supersymmetry : A Leap Beyond The Standard Model -- Allegro (ma Non Troppo) Passage For Strings -- Supporting Passages : Brane Development -- Bustling Passages : Braneworlds -- Sparsely Populated Passages : Multiverses And Sequestering -- Leaky Passages : Fingerprints Of Extra Dimensions -- Voluminous Passages : Large Extra Dimensions -- Warped Passage : A Solution To The Hierarchy Problem -- The Warped Annotated Alice -- Profound Passage : An Infinite Extra Dimension -- A Reflective And Expansive Passage -- Extra Dimensions : Are You In Or Out? -- (in)conclusion. Lisa Randall. Originally Published: New York : Ecco, 2005. Includes Bibliographical References And Index.