A volcano could be called a sleeping mountain--that is, until it wakes up! What is it like to witness the eruption of one of nature's majestic time bombs? Young readers can learn what makes volcanoes "tick," and read about some of the most famous eruptions in history.ááA Step Into Reading Book--Step 4: Reading Paragraphs books have more challenging vocabulary, short paragraphs and exciting stories. Paperback, 6" x 9"