"your subject"
"your subject" book
If that’s a popular book Then
"your subject" author
"your subject" edition author
"your subject" book
examples
if you are looking for Java then it goes
Java 2nd Edition Ivorn Horton

Then you can find list of quarries just go through them .by above step you can determine the Book's Name, Name of the Author ,and rest of details Now go to Google.com and Type that Book’s name With following Keywords (but don’t type everything just the Name in case the Edition if you want a specific edition you can just skip the first step if you already know the Book's name)

"book name" ebook free download
"book name" book download
If that’s a popular book Then
"book name" book
"book name" ebook
"book name" ebook download
"book name" book download

C++ Rounded Header File ; you csan use this header file for rounding the decimal numbers to nearest integeral value : save it as name.h and import to your project file for working on it.!

	  #include <math.h>

using std::ceil;
using std::floor;

double round(double x){
	if(1 == (ceil(x) - x))//32-31.5 ; if it's equal to 1 then an integer value unless proceed
	{
		return x;//an integeral values
	}else
	{
		return (((ceil(x) - x) <= 0.5)?ceil(x):floor(x));//ceil the largest number ,the floor is the lowest value;the lowest value 0~0.4 represent the max values and 0.5~0.9 represent the lowest values.
	}
}