The book was helpful as additional set of questions for practice. The test questions, however, were misleading and tricky, which was not true of the actual PCAT. Each section seemed to be written by a different person and there was no consistent method to the presentation of the material. The Biology section did not explain the answers at all, so there was no opportunity to learn from mistakes. Other sections were somewhat better. I found the study skills and test taking tips section to be of little or no value. The overview of the mechanisms that have been developed to describe how people learn was of no value at all.