Kay Manolis

What are simple machines? Young learners find out about the six simple machines in this series. This volume includes Screws, Wedges, and Wheels and Axels.

What are simple machines? Young learners find out about the six simple machines in this series. This volume includes Levers, Pulleys, and Ramps.

How do sound and light travel? What are the different forms of energy? How do we see different colors? In this series, young listeners find the answers to these questions as they learn about basic physical science concepts. This volume includes Electricity, Energy, Light, and Magnetism.

This series explores the many systems at work in the human body. This volume includes The Circulatory System, The Digestive System, and The Muscular System.

How do sound and light travel? What are the different forms of energy? How do we see different colors? In this series, young listeners find the answers to these questions as they learn about basic physical science concepts. This volume includes Matter, Sound, and Temperature.

How do sound and light travel? What are the different forms of energy? How do we see different colors? In this series, young listeners find the answers to these questions as they learn about basic physical science concepts. This volume includes Density, Gravity, and Moon.

How does blood circulate throughout your body? How does your brain make your body move? This series explores the many systems at work in the human body. This volume includes The Nervous System, The Respiratory System, and The Skeletal System.