"The Last Kids on Earth" is a popular book series written by Max Brallier. It follows a group of kids who navigate a post-apocalyptic world filled with monsters and zombies. The main characters, including Jack, Quint, Dirk, and June, use their creativity and teamwork to survive and have fun despite the chaos around them. The series combines adventure, humor, and friendship, making it appealing to middle-grade readers. It has been well-received and expanded into graphic novels and an animated series on Netflix, further increasing its popularity among children and young adults.