In the thrilling conclusion of the Nuclear Winter series, "By the Sword," six years have passed since the world was devastated by the EMP attack and subsequent nuclear bombs. The nuclear winter has finally subsided, allowing the resilient few who remained sheltered at Yucca Mountain to emerge and begin the arduous task of rebuilding society. As they endeavor to establish a civil society, the survivors find themselves still locked in a relentless war against the jihadist extremists determined to create an Islamic caliphate. The ever-persistent jihadists launch yet another audacious attempt to seize control of the vital Hoover Dam and Colorado River. However, the survivors stand united and fiercely defend their home, turning Yucca Mountain into a high-priority target for the extremists. Realizing that survival demands difficult choices, the survivors embrace the idea of living "by the sword," acknowledging the necessity of strength and force to protect their way of life. To bolster their fight against the jihadists, they forge an alliance with an Israeli network adept at tracking the movements of the enemy. Together, they plan and execute a daring preemptive strike led by the formidable Samantha, a true leader among them. In a dramatic and action-packed mission, the strike team not only thwarts the jihadists' plans but also embarks on a rescue mission to free a group of Mayan farmers enslaved by the caliphate. The stakes are higher than ever, and the survivors must confront the darkest aspects of their own humanity in their quest for freedom and security. "By the Sword" is a gripping tale of sacrifice, courage, and determination as the survivors face their most formidable enemy yet. As the final battle approaches, they are forced to make difficult choices, discovering the true measure of their strength and resilience in the face of seemingly insurmountable odds. With their future hanging in the balance, they must find the will to fight with everything they have, knowing that the outcome will shape the fate of humanity itself.