Open this picture book and imagine yourself exploring the most extreme parts of our amazing planet; trekking through the driest desert, climbing the snowiest mountain tops and diving to the deepest regions of the ocean floor. Join Seymour Simon, the 'dean' of children's science, as he transports you to extreme destinations, introducing you to Earth's biggest, smallest, deepest and coldest environments, animals, plants and weather! These mind-bending facts and stunning photographs invite you on an exciting and sometimes unbelievable, scientific expedition of Earth's most amazing records!