By Way Of Deception is a book on Israel's legendary spy organization by a former Mossad katsa or case officer has ended up on the New York Times best seller list. Among the controversial revelations that led Israel to seek a ban (which was quickly overturned in the United States and Canada) is Ostrovsky's charge that the Mossad refused to share knowledge of a planned suicide mission in Beirut, resulting in the deaths of 241 U.S. Marines in 1983.