Book excerpt: In their acclaimed, much-used Church History, James Bradley and Richard Muller lay out guidelines, methods, and basic reference tools for research and writing in the fields of church history and historical theology. Over the years, this book has helped countless students define their topics, locate relevant source materials, and write quality papers. This revised, expanded, and updated second edition includes discussion of Internet-based research, digitized texts, and the electronic forms of research tools. The greatly enlarged bibliography of study aids now includes many significant new resources that have become available since the first edition’s publication in 1995. Accessible and clear, this introduction will continue to benefit both students and experienced scholars in the field.