East of Eden is a novel by John Steinbeck that explores themes of good and evil, choice, and the complexities of family dynamics. The story is set in California's Salinas Valley and follows the intertwined lives of two families, the Trasks and the Hamiltons, reflecting on biblical allegories, particularly the story of Cain and Abel. This deep examination of familial relationships showcases how love, rivalry, and personal choice shape the characters' destinies.