"The Protector's War" is the second novel in the Change series by S.M. Stirling, continuing the narrative set in a post-apocalyptic world where modern technology has been rendered useless due to a mysterious event known as the Change. This radical shift has thrust society back into a simpler, more primitive state, where survival is key, and communities must adapt to new challenges. The story explores the dynamics of power, as different factions vie for control and resources in this harsh new reality. The protagonist, Michael, faces numerous threats from rival groups, including the aggressive and militaristic forces led by the Protector, who seek to impose their rule through intimidation and violence. Michael's journey involves navigating complex relationships and alliances, as he strives to protect his family and community from external dangers. The conflict highlights the struggle for autonomy and the nature of leadership in a world stripped of civilization.