This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.

The hands-on guide begins with a description of the various types of projects that you can undertake.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

Exciting fiction full of "doubles" - double dealing and double crossing.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.