Book excerpt: As natural gas and oil prices rise, Americans are returning once again to the comfort and security of wood heat. Thousands have benefited from reading The Woodburner_s Companion, first published in 2000. Now the author has added new material and updated technical information where necessary. You can stay warm without going broke, and, as an added benefit, you can weather a mid-winter power outage in style! Dirk Thomas, experienced woodburner and chimney sweep, is the perfect guide to the ins and outs of the many ways available to burn wood for heat. Throughout, the emphasis is on woodburning safety. Even knowledgeable woodburners will gain from his detailed descriptions of woodburning installations, which are based on the latest codes and recommendations from the U.S. and Canada