During the Middle Ages, castles and other fortified buildings were a common feature of the European landscape. As central powers rose and fell, the insecurity of the time inspired a revival of fortification techniques first introduced in the Roman Empire. Despite limitations in construction techniques and manpower, medieval fortifications...

Honoring those who served in the war at home or abroad,...

Fortify your network and avert digital catastrophe with proven strategies from a team of security experts. Completely updated and featuring 12 new chapters, Gray Hat Hacking: The Ethical Hacker's Handbook, Fourth Edition explains the enemy’s...

"You have a lot of enemies, Hipolito. I heard rumors in jail that some of the people you busted are going to try to kill you, so you better watch yourself." U.S. Special Agent Hipolito Acosta had put lots of thugs in jail, but the death threat from an imprisoned convict was still a shock.


Acosta recounts...

An examination of the German Blitzkrieg operations from Poland to Operation Barbarossa, as experienced by junior commanders and enlisted men, exploring why they were so successful.

The successes of the German Blitzkrieg in 1939–41 were as surprising as they were swift. Allied...

• Implement the critical main game loop and structure your games to enable an array of advanced features
• Animate your characters with sprite sheets, add multiple scrolling parallax...

In fact, as Success in Programming: How to Gain Recognition, Power, and Influence Through Personal Branding demonstrates in...

The first of three core rulebooks for the 4th Edition Dungeons & Dragons® Roleplaying Game.

The Dungeons & Dragons Roleplaying Game has defined the medieval fantasy genre and the tabletop RPG industry for more than 30 years. In the D&D game, players create...

One of the hardest parts of game...

• Learn how to greybox your level by building basic shapes and reshaping the environment
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The terrorist attacks of September 11 signaled the dawn of a new age of warfare: InfoWar. The greatest challenge facing the IT community in the 21st Century is securing networks from malicious attacks. The problem for the Microsoft network administrators and engineers is that securing Microsoft networks is an extremely complex task.
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