Any e-book of Mcgraw-Hill Pmp Certification Mathematics

Good day professionals,
I came across this book
Mcgraw-Hill Pmp Certification Mathematic (English) 1st Edition
Author: Ravi Ramachandran, Vidya Subramanian
Please suggest  that is it worth to purchase and read it.
Couple of reviews says that it gives good concepts in all mathematical questions.
If any one has the e-book, can please share.
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This is copyrighted material so ebook cannot be shared and you must only buy the book

I have heard its good book if not excellent for someone who is weak in maths




I dont know the book but MH is a good publisher.