Everything you need to understand or teach Black Sunday by Thomas Harris.
Black Sunday presents a classic goodversus-evil battle in which the lines between them, while blurred, are still recognizable. While Lander and Ayad may occasionally command our sympathy, the act they contemplate is a heinous murder of thousands of innocents, and the novel's protagonists, Major David Kabakov and Sgt. Robert Moshevsky of the Mossad (the Israeli secret service) and Sam Corley of the FBI, engage our interest throughout.
Within the confines of the battle...