J J Perry: 131 books

Investigations: 150 Things You Should Know, Second Edition, explores the essential tips and techniques for security investigations, providing a useful reference for those at any stage of their security career. This practical guide covers the legal guidelines that all investigators must follow. Through...

Physical Security: 150 Things You Should Know, Second Edition is a useful reference for those at any stage of their security career. This practical guide covers the latest technological trends for managing the physical security needs of buildings and campuses of all sizes. Through anecdotes, case...

School security is one of the most pressing public concerns today. Yet in most schools, there is little security expertise or detailed knowledge about how to implement and manage a security program. The Handbook for School Safety and Security rectifies this problem by providing the salient information...

How do you like your weirdness? A subtle nudge towards the untoward? A quick zap of zany? Or a full-on assault of aberration? Whatever your taste, you'll find it here, and many more strains of strange that you didn't suspect existed. From magic rain to a talking (severed) head, extraordinary eggs...

This issue provides a completely updated review of bowel imaging across the modalities. Topics include CT enterography, CT evaluation of small bowel obstruction, CT evaluation of GI bleeding and mesentecric ischemia, CT colonography: Pitfalls in interpretation, MR enterography, MR colonography, Transabdominal...