Dive into fun and explore the world's oceans from surface to seafloor. Come face to face with great whales, friendly dolphins, scary sharks, and all the ocean's amazing treasures.

Take a totally tropical trip to the rain forest and meet spotted jaguars, colorful poison-arrow frogs, slow-moving sloths, and loud-mouthed howler monkeys.

Dig through igneous, metamorphic, and sedimentary rocks and find out what they are used for in people's everyday lives. Break apart facts about fossil forming and crystal making. Carve out the differences between quartz and crystals. Then test your geologic smarts to see what you've learned.

"In Everything Sharks, exciting photos depict great whites, hammerheads, and more. Scientists tell hair-raising tales about encounters. With its awesome facts and action-packed images, this book brings kids close to the mysterious lives of sharks."--Amazon.com.

Presents the life of sea turtles, including where they travel, how they build nests, and what they eat.

"Kids love trains! Especially the old-timey steam engines found in amusement parks and zoos. But what about a super-speeder in Japan that zooms on the track at 361 miles per hour? Or the world's longest freight train, stretching on for a whopping 4.6 miles? Or futuristic railways in the sky? In this Level 1 reader, young readers will discover a whole new way of looking at trains!"--Amazon.com.

We often think that people from a thousand years ago were living in the Dark Ages. But from the 7th century onward in Muslim civilization there were amazing advances and inventions that still influence our everyday lives. People living in the Muslim world saw what the Egyptians, Chinese, Indians, Greek, and Romans had discovered and spent the next one thousand years adding new developments and ideas. Inventors created marvels like the elephant water...

Introduces the life and legacy of civil rights leader Dr. Martin Luther King, Jr.

Provides facts about tigers, such as their habitat, talents, and feeding habits.