"At first they were interested," says Mish'al, "but when push came to shove they were a little frightened about cooperating in exposing the organization. Then about a year ago, I went to my publisher Yediot and said, 'If they don't want to, let's go it alone.' As a journalist it's better for me to work alone than to have someone authorizing my work...

Authors of book on Israel's Mosad discuss agency's successes, failures