Learn More. Study Less. The 4th Edition of the PMP Exam Prep is a Course in a Book and is used in 43 countries to help project managers pass PMI's PMP Exam. It contains not only sample exams but detailed review materials, games and exercises based on accelerated learning theory and insider tips. PMP Exam Prep was developed to help you learn more and study less - up to 70% less than using conventional study guides. It contains information about core concepts of project management, information on the PMP exam that is not in the PMBOK and helps you understand how the PMP exam is constructed. The 4th edition has over 100 pages more than the 3rd edition, 300 changes and much more information about the new area of professional responsibility. It focuses on the areas of the PMP exam where students score the lowest and contains tips about how to study and what to study.