This book is a broad-based text intended to help the growing student
body interested in constructing and applying methods of effective field
theory to solve problems in their research. It begins with a review of
using symmetries to identify the relevant degrees of freedom in a
problem, and then presents a variety of methods that can be used to
construct various effective theories. A detailed discussion of canonical
applications of effective field theory techniques with increasing
complexity is given, including Fermi's weak interaction, heavy-quark
effective theory, and soft-collinear effective theory. Applications of
these techniques to study physics beyond the standard model, dark
matter, and quantum and classical gravity are explored. Although most
examples come from questions in high-energy physics, many of the methods
can also be applied in condensed-matter settings. Appendices include
various factoids from group theory and other topics that are used
throughout the text, in an attempt to make the book self-contained.