The team behind the acclaimed book Caves returns with an enticing exploration of one of the most explosive wonders on the planet -- Volcanoes! A rumble. A tremble. A grumble. Growing, growling, getting hot. When will it... POP?! Using evocative storytelling, Nell Cross Beckerman leads children on an adventure through the radioactive wonders that are volcanoes. From deep down on the ocean floor to extraterrestrial volcanoes, Beckerman guides readers with dramatic, poetic language. Nonfiction text on every page allows for deeper understanding of the topic. Illustrator Kalen Chock's stunning illustrations have been praised as "atmospheric" and "striking," and readers will be delighted as each page brings a new surprise. Extensive backmatter includes an author's note, additional information on the types of volcanic eruptions and the questions volcanologists are trying to answer, and additional facts. An ideal choice for nature lovers, future explorers, and fans of Jason Chin and Kate Messner.