| Structures | p. 17 |
| The Beginning of Architecture | p. 17 |
| Function and Structure | p. 18 |
| Architects and Engineers | p. 23 |
| Structure and the Layman | p. 24 |
| The Pyramids | p. 27 |
| What Are They? | p. 27 |
| The Building of the Pyramids | p. 29 |
| The Social Purpose of the Pyramids | p. 38 |
| The Death of the Pyramids | p. 40 |
| Loads | p. 43 |
| Dead Loads | p. 43 |
| Live Loads | p. 44 |
| Dynamic Loads | p. 45 |
| Wind Loads | p. 49 |
| Earthquake Loads | p. 53 |
| Thermal and Settlement Loads | p. 54 |
| Materials | p. 59 |
| Tension and Compression | p. 59 |
| Elasticity and Plasticity | p. 60 |
| Safety Factors | p. 63 |
| Steel | p. 64 |
| Reinforced Concrete | p. 66 |
| Plastics | p. 70 |
| Beams and Columns | p. 72 |
| Newton's Laws | p. 72 |
| Translational Equilibrium | p. 73 |
| Rotational Equilibrium | p. 75 |
| Beam Action | p. 76 |
| Shear | p. 83 |
| Buckling | p. 85 |
| Houses | p. 90 |
| Prehistoric and Historic Houses | p. 90 |
| The American House | p. 94 |
| Concrete-Frame Housing | p. 96 |
| Prefabricated Concrete Buildings | p. 101 |
| Skyscrapers | p. 107 |
| The High-Rise Building | p. 107 |
| The Birth of a Skyscraper | p. 109 |
| The Skyscraper Structure | p. 116 |
| The Eiffel Tower | p. 126 |
| The Symbol | p. 126 |
| The Builder of the Tower | p. 129 |
| The Building of the Tower | p. 133 |
| Cranes and Elevators | p. 136 |
| The Life of the Tower | p. 140 |
| The Taller Towers | p. 141 |
| Bridges | p. 144 |
| Arches | p. 144 |
| Railroad Bridges | p. 150 |
| Concrete Bridges | p. 157 |
| Space Frames | p. 160 |
| The Brooklyn Bridge | p. 165 |
| The Creator of the Bridge | p. 165 |
| The Construction of the Bridge | p. 169 |
| Modern Suspension Bridges | p. 176 |
| Form-Resistant Structures | p. 179 |
| Grids and Flat Slabs | p. 179 |
| Strength through Form | p. 186 |
| Curved Surfaces | p. 188 |
| Barrel Roofs and Folded Plates | p. 191 |
| Saddle Roofs | p. 195 |
| Complex Roofs | p. 198 |
| Thin Shell Dams | p. 201 |
| The Unfinished Cathedral | p. 206 |
| The Origin of the Gothic Cathedrals | p. 206 |
| Gothic Spaces and Structures | p. 209 |
| Saint Pierre at Beauvais | p. 217 |
| Domes | p. 225 |
| The Largest Roofs in the World | p. 225 |
| The Dome as Structure | p. 226 |
| The Pantheon | p. 230 |
| Santa Maria del Fiore | p. 233 |
| Modern Domes | p. 242 |
| Hagia Sophia | p. 246 |
| The Construction of the Church | p. 246 |
| The Interior of the Church | p. 248 |
| The Structure of the Church | p. 252 |
| The Fate of Hagia Sophia | p. 255 |
| Tents and Balloons | p. 259 |
| Tents | p. 259 |
| Pneumatic Structures | p. 268 |
| The Hanging Sky | p. 278 |
| Domes and Dishes | p. 278 |
| The Hanging Dish | p. 280 |
| The Message of Structure | p. 288 |
| Semiotic Messages | p. 288 |
| Semiotic Message and Scale | p. 297 |
| The Varying Semiotic Message | p. 300 |
| Afterword | p. 303 |
| Index | p. 315 |
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