Book I. The careers of Adam and Eve, from the day they left Eden; their dwelling in the Cave of Treasures; their trials and temptations; Satan's manifold apparitions to them. The birth of Cain, of Abel, and of their twin sisters; Cain's love for his own twin sister, Luluwa, whom Adam and Eve wished to join to Abel; the details of Cain's murder of his brother; and Adam's sorrow and death