Category: Non Fiction

The Soils of the USA, (PDF),  gives an overview of the properties, distribution, and function of soils in the U.S., including Hawaii, Alaska, and its Caribbean territories. It explains the history of soil surveys and pedological research in the U.S., and offers general descriptions of the country’s geology, climate and

Cada vez son más los profesores en todo el mundo que están introduciendo a sus alumnos en los principios fundamentales de la economía a través de las obras del premio Nobel Paul Krugman. En la tercera edición del libro Fundamentos De EconomíA 3rd edition (PDF), hemos aprendido que siempre hay

The author team of Prescott’s Microbiology 10th edition (PDF) continues the tradition of past editions by providing a balanced comprehensive introduction to all major areas of microbiology. This balance makes Microbiology 10e appropriate for microbiology majors and mixed majors courses. The expert authors have introduced a number of pedagogical elements

Wired Youth, 2nd Edition, (PDF) provides a research-based analysis of the online social world of adolescence, integrating additional research findings that have appeared during the last decade. Mesch and Talmud take a realistic, sociological approach to online adolescents’ communication, showing how online sociability is implanted in the larger social structure

WORLD POLITICS: TREND AND TRANSFORMATION 2016-2017 (16th edition, in PDF) offers an analysis of the most up-to-date research, data, and contemporary events from today’s international political stage. You will understand what is happening today and why. The 2016-2017 Edition incorporates recent challenges to global peace and prosperity, advances in military