The fourth edition of Molecular and Biochemical Toxicology features new chapters that explore the interface between toxicology and genomic sciences, including bioinformatics, proteomics, metabolomics and toxicogenomics. The 936-page book includes additional new chapters on such areas as DNA damage and mutagenesis, mechanisms of cell death and mitochondrial dysfunction. It encompasses sections on polymerase chain reaction, mass spectrometers and protein identification. Robert C. Smart and Ernest Hodgson, eds.; John Wiley & Sons Inc., Hoboken, N.J., 2008; $125.