Extreme WildfireBy: Mark Thiessen Series: NGK Extreme In one moment, theres a simple spark, and then roaring flames surge 200 feet into the air, devouring forests. Trees, from root to canopy, are burned to the ground. Airtankers and helicopters hover above, executing an air attack. Brave firefighters, equipped with flame resistant suits, leap from helicopters onto the treetops and descend to the blazing forest floor. In this book, young readers will learn about the