Say "Hello" to Billie the Brain! Learn about your brain from a superstar friend! Billie teaches us what she's made of, how she works, how doctors and others help her when she's sick, and how to keep her healthy. A perfect book created by experts to share and explore, for young readers, budding scientists and neo-neurologists. Rhyming text, fun illustrations, "brainy" facts and simple yet scientifically accurate diagrams are also ideal for STEM education.