"Life As We Knew It" is a gripping novel by Susan Beth Pfeffer that explores a world turned upside down after a catastrophic event. When a meteor collides with the moon, it causes devastating natural disasters, altering the climate and leading to food shortages. The story is told through the diary entries of Miranda, a teenager who documents her family's struggle to survive in this new reality. As the world changes around them, Miranda and her family face challenges that test their resilience and unity. They must adapt to a life without modern conveniences, relying on each other for support and hope. The novel highlights the importance of family and the human spirit in the face of adversity.