Two scientists are traveling in Ethiopia to study a very old volcano. Volcanoes can de dangerous, because they have hot, melted rock inside. But they also offer important information.

Will the scientists make it safely to the volcano?
What will they learn?

Welcome the sights and sounds of the world with Footprint Reading Library. Accompanied by original video material developed by National Geographic Digital Media, this is the first non-fiction reading series present fascinating real-world stories in three formats: print, audio, and video.

Level A2 - Pre-Intermediate - 800 headwords.