Build it yourself

Interactive guide to the Middle Ages, which explores the period leading up to the Renaissance--including siege warfare, markets and fairs, medieval medicine, and the feudal system--through numerous hands-on activities.

Beginning with the Industrial Revolution in England, a guide follows its progression to North America, illustrating the societal changes that occurred as a result of the shift in the way goods and services were created and consumed.

"[This book] travels through the past and into the future to explore how humans have measured the passage of time."--P. [4] of cover.

5 stars

An introduction to the role of microbes in everyday life identifies beneficial and harmful microbes and outlines exercises and activities based on the scientific method to encourage exploration of one's microbiological surroundings. "If our vision improved one million times, we would be able to see microbes in the air, on our skin, in the soil, in water, and on food! In Microbes: Discover an Unseen World, readers journey through microscopic worlds...

5 stars

Explains how plate tectonics causes earthquakes and volcanoes, discussing the movement of the Earth's crust and offering twenty-five science activities to explore geological principles. Learn about earthquakes and volcanoes and how the earth's surface is always changing.