This fully revised third edition to an already classic resource provides readers with a practical guide covering the full scope of key concepts in bioinformatics, from databases to predictive and comparative algorithms. With a new full-color, enlarged page design, this edition offers the most readable, up-to-date, and thorough introduction to the field for biologists. A glossary and appendix of sample file formats rounds out the book's reader-friendly, 'hands-on' treatment.