Hoist the drawbridge and ready the cannons! Even reluctant readers will storm the bookshelves for this high-interest topic where history, math, and magic intersect. This innovative text goes far beyon
Describes the function of the body's brain and nervous system, and includes information about the spinal cord, sleeping and dreaming, brain damage, and nerve cells.
Describes the process of digestion, including information on why a balanced diet is important, how the body breaks down food into nutrients, and ways to avoid digestive disorders.
Describes the human musculoskeletal system, including the different types of muscle and bone, and how they work to allow the body to move and function.
All aboard the Engineering Express! Readers will embark on a scientific exploration of steam power and locomotive engineering in this versatile volume. Along the way they’ll gain insight on American h