Four new titles have been added to this series about the fascinating world of today's working scientists. Each book examines the great variety of scientific work within a particular field and describes how questions get answered. Processes and practices are explored, with an emphasis on the creative and collaborative aspects of the work. Mini-bios highlight the work of current scientists from all over the world, and hands-on investigations create authentic learning experiences. Each book includes a look at the future of the field and provides practical suggestions for readers to take an active role to further their learning.