Here is an excerpt. Tooley: Understanding the Jewish Roots of Christianity. So, Gerry, why is such a book needed right now? Why do Christianity’s Jewish roots matter? And please outline the basic themes of your book. McDermott: Well, it matters because so many Christians for much of the last 2,000 years have thought that the Jewish roots of Christianity don’t really matter. Evangelicals, particularly at the end of the 20th century and beginning of the 21st century, have been told that the basic outline of the gospel story is creation, fall, and Jesus, skipping over the va...