Rabbi Meir Kahane wrote this book in 1982, at the start of "Operation Peace for Galilee" in Lebanon, and republished it in 1989 with an 11 page introduction. Rabbi Kahane reflects on the number forty in Jewish history and reveals its significance as a warning, admonition and opportunity to repent and avoid divine punishment. He recalled: "The idea first entered my head as I sat, one day [in 1980], in Ramle Prison. It was the eve of Tisha B'Av, the...