The book is intended for learning English and is written in English entirely, providing information on eight ecosystems via stories about famous National Parks and US institutions such as the Grand Canyon, Niagara Falls and even Antarctica. The book is perfect for children aged 7-12, has the form of a comic book, and is beautifully published in a hard, thick cover. It has 150 pages and includes a set of reusable stickers. The book is recommended by Niagara Park in the USA, FUI University in Florida and a scientist from the American McMurdo Station in Antarctica. For more information about the book, please visit the website in the description of the collection. Shipping included in the price of the book within Europe (except UK). The audiobook is a handy, sent by email version that allows you to carry the book with you at any times, while traveling on your computer, tablet or phone! The audiobook is read by American children from an international school - great exercise for improving your accent!