From publisher blurb:
Castle Builder Volume 5: Keeps is the fifth entry in a 10-part series designed to help Game Masters and players alike plan their ideal fortifications in a step-by-step format from the ground up. This installment looks at the border structure and way station that serves as the first-line defenses of a realm.
Contents include:
An introduction to the idea of keeps, why people build them, and how they are perceived;
Various functions of such structures;
How to consider the most suitable uses for keeps in your game;
Typical locations for keeps;
Floorplans and description for an Anatolian Square Keep, a complete, four-level sample fortification designed to house a company of infantrymen.
Although this book has no specific setting, it is designed to accommodate any technological era that one is likely to encounter in a fantasy campaign setting, from the Stone Age to the Renaissance. It is also fully bookmarked and hotlinked and designed to be printer-friendly and easy-to-use!