After going through parts of The Urantia Book and finding kernels of truth, and an underlying consistency in the overall message, I found Martin Gardner's book a bit disturbing. It seemed as if his mind was made up well before his investigation into this text. An authors bias can run through his/hers work in a negative way. I do not know Mr. Gardner, but it seemed there was a surprising amount of anger and negativity involved here. Most pages had numerous negative references in an attacking manner. In the end it was too emotional and not professional enough to rely on.