Inspire students with amazing stories from the California Gold Rush. With the use of personal accounts, newspaper stories, and other primary sources, the events of this fascinating time in history come to life.

Though Abraham and Mary Todd Lincoln's backgrounds differed considerably, both were intellectuals who shared interests in literature and politics, as well as a great love for each other.

"The sun provides lots of energy, most of which isn't used by plants or animals. How can we harness solar energy to create electricity? This book introduces students to how solar energy is produced and how it is used as an energy source that provides power for essentials and luxuries that they use every day. Graphics help explain the process of harvesting solar energy. After explaining what the resource is and how it is used, the book covers the pros...

"This book looks at the different places light comes from, including natural and artificial sources. Discover the difference between a light source and a reflective object and how you can tell which is which. Look at our largest and most important light source -- the Sun -- and what happens when you take sunlight away. Explore light technology by finding out how we use lasers and fiber optics. And much more!"--

"Across the country, huge open spaces are covered in gently turning wind turbines. In Wind Energy, explore how these machines generate electricity, learn about the history of wind power, and discover the latest advances in the field. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject." --Publisher's description.

"Readers will learn all about the science behind renewable energy as it relates to the sun. Solar cells, biofuels, wind power, and hydroelectric power are all discussed here. Colorful photographs, explanatory diagrams, fast facts, and must-do activities connected to the Next Generation Science Standards all come together to create a story that is not only informative but altogether enjoyable to read. Readers get an in-depth look at the differences...

"Many hundreds of years ago, the city of Ember was created by the Builders to contain everything needed for human survival. It worked... but now the storerooms are almost out of food, crops are blighted, corruption is spreading through the city and worst of all -- the lights are failing. Soon Ember could be engulfed by darkness...But when two children, Lina and Doon, discover fragments of an ancient parchment, they begin to wonder if there could be...

"In cartoon format, uses vampires to explain the science of light"--

"The movement of a rushing river is a valuable energy source. Hydroelectric Energyshows how engineers build and operate dams, turbines, and generators to turn this movement into electricity. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject."--Publisher's description.