Charles Edge began his consulting career working with Support Technologies, Andersen Consulting and Honda to name a few. In January of 2000 Charles arrived at Three18, a boutique consulting firm in Santa Monica, California. At Three18, Charles has worked with Network Architecture, Security and Design for a wide range of clients. As a partner at Three18 Charles manages a team of engineers, security professionals and programmers. His first book, "Mac Tiger Server Little Black Book" is available through Paraglyph Press. His second book, "Web Admin Scripting Little Black Book" is also available through Paraglyph Press. The latest title Charles is working on is Mac Security Essentials.