Life As We Knew It is a great book for teens who are looking for a book with a post-apocalyptic feel, but without a terrorist attack or world war. There are plenty of deaths, and people do act a bit crazy, but this book provides a great view of what life could be like if life as we knew it changed drastically. After the moon gets knocked out of orbit, and disaster ensues, Miranda steps up and finds a way to survive and help her family, both growing up and learning a lot about herself. The book prompts all kinds of discussion, especially begging the question: "What would you do?". This is a fantastic end-of-the-world type story for middle school and up!