I am actually looking for a specific book that I read in library in 2013 may be so my memory has faded but I remember the title of book, which is "Analysis in $R^n$", it was a fat green book, and the name of the author was bit lengthy. May be it was by De Gruyter, not sure. But because of $R^n$ in the name it is being impossible to find it using google or amazon, or any other site and none of the threads here on MSE mentions it.
Maybe someone here can recall the author's name and help me. It was a really good introductory book for the subject to step in.
P.S. This question might not be appropriate according to the guidelines of the tags used, so no offence will be taken if downvoted or closed. I just really need that name.
Thanks Shivering Soldier. It is https://www.worldscientific.com/worldscibooks/10.1142/7672 by Moskowitz and Paliogiannis.
Apparantly Analysis in $R^n$ was the name of the course for which I found this book as now I recall. Thanks for your efforts.