In three words: He gets us.
Part of what he wrote:
“For many years — even before I was ordained as a rabbi — I’ve been using Rabbi Joseph Telushkin’s encyclopedia-like book “Jewish Literacy” to teach those interested in learning more about Judaism as well as those in classes leading toward Jewish conversion. I will continue to use that resource, but this simple book will serve as a useful introductory guide for the non-Jewish parents of those who are seeking conversion to Judaism. It will also be a quick and easy reader for non-Jews who simply want to understand more about the basics of Judaism.”