Most biblical studies are quite frankly designed for scholars and seminary students. As a general reader, I can unhesitatingly recommend this small volume that helps you understand the basics of the Gospels.
There are three sections for each of the four Gospels, discussing Characteristics (what makes it different from the other three Gospels), Historical background (where, when and why they were probably written and whether Matthew, Mark, Luke and John actually wrote them) and Major Themes (the messages... more info
A great textbook:
I have used Powell's book as a text for my undergraduate "Life and Teachings of Jesus" course during this past year. It is extremely well written and organized. Powell has a gift for presenting complex information in accessible form. The charts and tables in the book are particularly helpful and to the point. My students consistently compliment the book for its content and clarity. The only disappointment is that the chapters on each of the four canonical gospels are not structured in a way that mirrors... more info
Great Introduction:
This is a very good book for summarizing dozens of scholarly fields into a coherent 'Introduction' of the canonized gospels. Great starting poing if you don't know much about Q or the M and L material. Sufficient discussion about the characteristics and histories of the four gospels. My only knock against this book is that the author too often makes the statement 'most scholars' in order to back a particular hypothesis - refuting a quote from the book that evidence should be 'weighed, not counted.' Still, I... more info