Suzy Gazlay

This book presents facts about volcanoes and the data that volcanologists collect and then offers questions about lava, rings of fire, volcanic gases, tiltmeters, seismometers, crackmeters, lahar, and tephra so the reader can put the concepts to work.

"Green-Collar Careers" is a fascinating new series that focuses on 'green' careers. The scope of the fields is broad and detailed, showing all kinds of rewarding and interesting jobs that address issues of conservation and environmentalism. Each title in the series features: mind-portraits of people working in careers; a special section to help readers explore their own interest in, and aptitude for, each field; and, further information, additional...