Calling all scientists! Discover the science behind sound and electricity with this fascinating encyclopaedia. Discover Science provides a captivating insight into a variety of scientific ideas and theories, from DNA and genes, atoms and elements, to light and electricity. Discover Light, Sound & Motion builds your knowledge and provides a captivating insight into their principles and importance. Discover Electricity & Magnetism provides a captiving insight into a variety of their principles and how we have harnessed electromagnetism to create some of the everyday devices that we know and love. * Comprehensive Fact Book * Packed With Engaging Illustrations * Children's STEM Book * Part Of The Wonders Of Learning Range * Perfect For Children Aged 8 to 14 Years