by Peter H Raven, George B Johnson, Kenneth A. Mason, Jonathan Losos, Susan Singer "Biology" focuses on evolution as a unifying theme. In revising the text, McGraw-Hill consulted with numerous users, noted experts and professors in the field. "Biology "is distinguished from other texts by its strong emphasis on natural selection and the evolutionary process that explains biodiversity. The new 8th edition continues that tradition and advances into modern biology by featuring the latest in cutting edge content reflective of the rapid advances in biology. That same modern perspective was brought into the completely new art program offering readers a dynamic, realistic, and accurate, visual program. AP Correlation Visit the Online Learning CenterSinger is the author of 'Biology', published 2007 under ISBN 9780073349824 and ISBN 0073349828.