Protozoa may be found in almost every aquatic habitat, each containing dozens of species. The diversity can provide invaluable insights into the nature of the habitat. Protozoa can thus be used to illustrate biological principles.This colour guide makes the identification of individual protozoa easily accessible to students and professionals and provides information on protozoan communities found in different environments by means of a wealth of colour photomicrographs supported by...

Analyzing Intelligence, now in a revised and extensively updated second edition, assesses the state of the profession of intelligence analysis from the practitioner's point of view. The contributors—most of whom have held senior positions in the US intelligence community—review the evolution of the field, the rise of new challenges, pitfalls in analysis, and the lessons from new training and techniques designed to deal with 21st century national security problems. This second edition updat...