In Peril

The natural world is always changing. Many things humans do can affect our fragile planet-the air we breathe, the land we live on, and the seas we swim in. We need to protect and care for our world.Top Readers is a series of beautifully designed, fact-filled books, richly illustrated with a wealth of accurate, full-color illustrations, intriguing diagrams, cross sections, and cutaways. All text has been carefully leveled to support children's reading development. This is the ideal reading series to help beginner readers gain confidence while they practice their reading skills enthusiastically.Stage Four: Reading With EaseThese books are designed for increasingly proficient readers who are reading with confidence. Vocabulary is more challenging and specialized, illustrations provide less support, and more complex diagrams, maps and charts are used. The concepts become more abstract and technical. These are the perfect introduction to reference books.