You can specify the type of files you want, for your gadget.PMP® Exam Simplified: Aligned to PMBOK Guide 5th Edition (PMP® Exam Prep Series) (Volume 4) by Aileen Ellis PMP (2013-06-17) | Aileen Ellis PMP;. I have read it a couple of times and even shared with my family members. Really good. Couldnt put it down.