The book contains approximately 900 entries. Depending on their importance and complexity, entries range from a brief mention to 1,000 words in length. Each entry has a listing of further readings. A Preface, Timeline on critical hacking and technology improvement events, and an Appendix on How Do Hackers Break Into Computers? plus a Resource Guide are also included. The book is about 180,000 words in length and can be easily updated as needed. ยท Hacker Dictionary A-Z