One of the best books written on PMP Certification where each and every aspect of the PMBOK Guide 6th Edtion as well as all ancillary aspects of PMP Exams have been explained with hand made illustrations and real-world examples. There are three versions of this book on amazon 1. Kindle eBook edition (Full color), 2. Paperback Low Cost Edition (Greyscale Inside / B&W) and 3. Paperback Higher Cost Edition (Full Color). Each of these books have a code at end of the book that give you FREE access to one of the best Exams Simulation Engines for PMP Exams, containing 1,000 + questions in increasing scale of difficulty.