Read and discover all about life in tropical rainforests. What is the biggest tropical rainforest? Where do orang-utans sleep? Read and discover more about the

Read and discover all about the materials that people use to make products. How is glass made? What are microchips? Read and discover more about the world! This

Read and discover all about transportation in the past and today. What were the first planes made of? How fast can solar cars travel? Read and discover more abo

Read and discover all about wonderful water. Why is water important? What is the biggest ocean animal? Read and discover more about the world! This series of no

Additional reading, writing, and grammar practice for each chapter of the reader Consolidation activities A book review Answers to the activities can be found o