Paul C Gardner: 4 books

When Al Garcia takes his special operations team into southeastern Arizona, he uncovers massive corruption leading right back to Washington DC. Garcias probe of cross-border drug smuggling and brutal drug related murders of innocent American citizens exposes a network of criminals and terrorists entwined...

Systematic, practical, and accessible, this is the first book to focus on finding the most defensible design for a particular research question. Thoughtful guidelines are provided for weighing the advantages and disadvantages of various methods, including qualitative, quantitative, and mixed methods...

Maize is one of the most important and widely grown cereal crops in the world and is a staple food for almost a billion people, particularly in the developing world. It has been estimated that maize yields need to increase by 60% by 2050. There is an urgent need to increase yields in the face of such...

This process of history may be said to have entered on its effective stage in the West with Alaric's invasion of Italy. But it had been present, as a potentiality and a menace, for many years before Alaric heard the voice that drew him steadily towards Rome. The frontier war along the limes was...