A 'volcano' is a mountain with a large hole at the top. 'Active' volcanoes can be dangerous because they can erupt, or produce very hot, melted rock. In Sicily, there are several towns near a large volcano. Why do people live in such a dangerous place? Is it safe? "The Footprint Reading Library" is the first non-fiction reading series for English language learners to present real-world stories in print, audio, and video. This series offers fascinating stories and facts from across the planet, and develops the language and skills needed to understand non-fiction writing. It offers a rich selection of engaging non-fiction, grouped into five themes: Incredible Animals, Fascinating Places, Remarkable People, Exciting Activities, and Amazing Science. One hundred individual readers are graded into eight levels - from Pre-Intermediate to Advanced. It ranges from 800 to 3,000 headwords.