<P><B></B> This book presents a comprehensive overview of all aspects of ecology, including evolution, ecosystems theory, practical applications, plants, animals, biogeochemical cycles, and global change. This balanced approach has made <B><I>Ecology and Field Biology<I>, Sixth Edition</I></I></B> the best-selling ecology book on the market. The field package also includes <B><I>The Ecology Action Guide</I></B>, a guide that encourages readers to be environmentally responsible citizens, and a subscription to <B> The Ecology Place</B> (www.ecologyplace.com), a web site and CD-ROM that enables users to become virtual field ecologists by performing experiments such as estimating the number of mice on an imaginary island or restoring prairie land in Iowa. <B></B> For college instructors and students. </P>