Books with author Michael Porter

"We see the moon waxing and waning every month, and we know it controls the tides. However, we rarely wonder how it got there in the first place and why it continues to accompany Earth around the sun. Readers will learn some fascinating theories about the moon's origin and decide for themselves if they agree with the current accepted explanation"--Provided by publisher.

Theyre powerful, fierce carnivores . . . and they need our help. Tigers are in very real danger of extinction. Hundreds of years of people hunting tigers and destroying their habitats have drastically reduced their numbers. Now, several countries and wildlife groups have teamed up to save the remaining tigers prowling the forests of Asia. This volume is filled with vivid photographs and fun fact boxes, helping readers learn about the six subspecies of tigers, their behaviors, and the recent efforts to save them.

Sea turtles swim thousands of miles each year to lay eggs on the same beach where they themselves once hatched. Despite such tenacity, these reptiles face difficult odds to survive. In this book, readers will discover the many dangers facing sea turtles, including fishing, predators, and pollution. Theyll also learn of efforts to diminish these threats and what they can do to help. Vibrant photographs of these beautiful creatures emphasize their fascinating lives and behaviors.

Dodge Chargers have been used for everything from police vehicles to the popular General Lee on the television series The Dukes of Hazzard. This fun book explores just how big a part of American culture these cars truly are. It explains how Dodge Chargers have changed over the years to meet the needs and wants of American drivers. Colorful photographs provide a guide to the many models of this car, which has been a staple in showrooms and on the roads for over 40 years.

From the halls of Montezuma to the shores of Tripoli, the U.S. Marine Corps is always ready to protect U.S. citizens. Established during the American Revolution as a naval infantry, the Marine Corps has always been closely associated with the U.S. Navy. Marines played a huge role in capturing South Pacific islands during World War II. Today, the Marine Corps is a major force in the war on terror. In this book, colorful photographs and historic images are paired with informative text to teach readers about the U.S. Marine Corps, from its early days fighting pirates to the latest in hi-tech military weaponry.

The Kepler space telescope searches for planets outside of our solar system. So far, it's found more than 100. Scientists have tried to find out whether any of these planets could be habitable, a possible second home for us. Readers of this fascinating topic will find out what we'd need to live on another planet. They'll learn the latest theories about creating another Earthlike world. Imaginative images will help them picture themselves as one of the first settlers of a new home planet.