Looks at how coal forms, how it is extracted from the ground, and how it is used to create electricity.

Looks at how natural gas forms, how it is extracted from the ground, and how it is used to create electricity.

Informs readers about gemstones, including why they are valuable, how they are formed, and how they can be used.

This thorough book covers the important processes of oil, from its origins and formation to its extraction and refining.

Many natural building methods rely upon the use of post and beam frame structures that are then in-filled with straw, cob, cordwood, or more conventional wall materials. But traditional timber framing employs the use of finely crafted jointing and wooden pegs, requiring a high degree of craftsmanship and training, as well as much time and expense. However, there is another way . . .Timber Framing for the Rest of Us describes the timber framing methods...