Childhood's End, written by Arthur C. Clarke, is a science fiction novel that revolves around the arrival of mysterious alien beings known as the Overlords. These extraterrestrial visitors bring peace and prosperity to Earth, but their true intentions remain shrouded in mystery. As humanity evolves under their guidance, the fate of the human race becomes intertwined with the alien artifact they possess. Childhood's End is a thought-provoking exploration of the potential consequences of contact with advanced civilizations.