"From the interior of an atom to the solar system and beyond, the mammoths seek to understand the science! These intrepid science demonstrators will go to incredible lengths to educate and entertain. They wrestle with magnets to understand their powerful force, make mammoth models of different materials explore what gives them mass, and step into a X-ray machine to reveal the bones beneath their woolly exterior."--

Presents an illustrated look at the step-by-step building of a thirteenth-century Gothic cathedral.

Text and drawings describe the subways, sewers, building foundations, telephone and power systems, columns, cables, pipes, tunnels, and other underground elements of a large modern city.