"Raintree Freestyle" is a range of colourful non-fiction books for the less able or reluctant reader aged between 11 and 14 with a reading age of 8 and 9 years old. They offer curriculum-linked topics at an appropriate reading level. Featuring dramatic examples from all over the world, "Turbulent Planet" looks at extreme, dangerous or problematic aspects of the shaping of the earth's surface. Each title examines the causes and effects of each event, how the damage could have been reduced or even prevented, and the precautions to take in one of these situations.