Inshallah (Insciallah) - Oriana Fallaci

A novel based in Beirut, Lebanon, during the 1982-84 Italian army peacekeeping mission to the Middle Eastern country.
The Israeli army has recently invaded the country and ousted the Palestinian fighters. Along with American, French and a few British soldiers, Italian sailors, paratroopers and Bersaglieri are patrolling the sensitive areas in and around Sabra and Shatila, where a few months earlier bands of Maronite phalangists had carried out a terrible massacre.