Craig W. Stevens, Ph.D. is a professor of Pharmacology at Oklahoma State University and is co-author of Brenner and Stevens' Pharmacology, a popular pharmacology textbook now in its 5th Edition. He also wrote and edited two books on G-protein coupled receptors entitled Methods for the Discovery and Characterization of G Protein-Coupled Receptors (Springer Protocols, 2011) and G Protein-Coupled Receptor Genetics: Research and Methods in the Post-Genomic Era (Springer Methods in Pharmacology and Toxicology, 2014). He has just finished working on a new book for the Science and Technology Pharmacology list called The Drug Expert: A Practical Guide to the Impact of Drug Use in Legal Proceedings which is a guide for pharmacologists aiming to be successful as drug litigation consultants and a helpful book for the lawyers that hire them. Dr. Stevens maintains a second career as an expert witness in Pharmacology (Drug Expert) and has consulted for lawyers on over 80 cases in both criminal and civil proceedings.