I read it several years ago. As I recall, it reads like much of the Kennedy assassination stuff. Plausible in small snatches, but pretty silly in toto. But I won't swear to that evaluation, as I've read a couple of different things, and it was several years ago...(maybe I'll pull it back off the shelf tonight...)
"As I recall, it reads like much of the Kennedy assassination stuff."
Excellent analogy. As I recall the authors attemped to present St. Paul as the false teacher described in the scrolls. Most of their "evidence" was rather spotty and open to multiple interpretations. It was really nothing more than a vicious attack on the Vatican and Christianity in general.