"In the early morning of April 26, 1986, a reactor at the Chernobyl nuclear power plant became unstable, causing a huge explosion. But the disaster was only just beginning. Follow along with the true story of a doomed power plant that is still dangerous today. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember"--

Like humans, animals have senses and often theirs are sharper. Learn how they use their senses to stay safe, hunt food, and find their way around.

"Ash rained down like burning snowflakes. There was nowhere to run and hide for the residents of Pompeii after Mt. Vesuvius erupted in 79 CE. Follow along with the true story of a doomed city pummeled with pumice and molten rock. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember"--

"Blowing snow and frigid temperatures were no match for even the bravest explorers. Robert Falcon Scott led his men to their death amidst the frozen landscape near the South Pole in 1912. Follow along with the true story of a doomed expedition to uncharted land. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember"--

"Through carefully leveled text and powerful images, explores ramps a useful simple machine"--

"From North to South and East to West, animals move across our planet. See the amazing migrations animals make in order survive"--

"Adaptations are changes that help an animal survive. An animal may have unusual body parts, super senses, or clever behavior." -Back cover.

"Through carefully leveled text and powerful images, explores wheels and axles, a useful simple machine"--

Wild animals are beautiful creatures, but they can turn dangerous in a heartbeat. Follow along as survivors use their wit, strength, and sheer will to battle these deadly beasts.

"As technology rapidly develops across the globe, we need to remember the roots of our energy sources: plants and other biological substances. This timely volume teaches readers about humanitys complex relationship with biofuels, from Model Ts chugging along on ethanol to contemporary feuds over land between biofuel and crop farmers. Readers will love the fact boxes full of fascinating details, while vivid photographs will help them understand the...