Name the variables more precisely.

convert.sh

@@ -9,9 +9,9 @@ date
 
 md="ebook.md"
 ebook="VoluntarySovereignty.pdf"
-booklet1="VoluntarySovereignty-book.pdf"
-booklet2="VoluntarySovereignty-booklet-default.pdf"
-booklet3="VoluntarySovereignty-booklet-rotated.pdf"
+book="VoluntarySovereignty-book.pdf"
+booklet="VoluntarySovereignty-booklet-default.pdf"
+rotated="VoluntarySovereignty-booklet-rotated.pdf"
 
 if [[ -e $ebook ]]; then
 	echo -n "Old: "
@@ -29,10 +29,10 @@ status=$?
 
 # Use LaTeX booklet package to make a print, fold, and staple version!
 pdfbook2 -n $ebook
-mv $booklet1 $booklet2
+mv -v $book $booklet
 
 pdfbook2 -ns $ebook
-mv $booklet1 $booklet3
+mv -v $book $rotated
 
 echo "Completed with status '$status'."