Anyone who will read (my books), he'll get some benefit. That is sure, because such literatures are not available throughout the whole world. It is a new revolution to the people in general. Am I right or not?: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.