Keith J. Olexa – författare

School security can be a pretty tough job, it is not just about patrolling halls and checking in students for the day. Students and faculty today face a lot of potential dangers, including cyberbullying, drug use, and violence. A school resource or security officer is tasked with keeping people safe, taking action when necessary, but also simply mentoring students and helping shape school policy. This comprehensive volume takes career seekers through the ups and downs of training to take on the important job of keeping schools safe. It offers some tips on interviews and resumes and includes real-life experience from those in the field.

They live in clothes, on hair, on skin, they live under the skin, in guts, in blood. They''re parasites, and they''re really into us. But what are these small, squirmy, highly successful organisms? How did they evolve to live inside other organisms, to consume, sicken, and even kill them? Readers will enter the engrossing inner world of bugs, worms, and microbes, explore their riveting life cycles, and discover how these tiny creatures topple civilizations and ruin lives. Readers will learn how to avoid infection or infestation, and what to do if parasites have let themselves in.