Based on the bestselling game, Plants vs. Zombies, Save Your Brains! introduces young readers to Crazy Dave and the fun-dead! The zombies are coming! If you want to save your brains, you'll need to know which plants to use. Don't worry Crazy Dave is here to help guide you. I Can Read books are designed to encourage a love of reading. Plants vs. Zombies: Save Your Brains! is a Level Two I Can Read book, geared for kids who read on their own but still need a little help.