OS: Windows 7
Calibre: 4.4[64bit]
Beside the original files after convert format, I also add to the book folder mp3, mp4 or image files that is related to the books.
I change the Title or Author(s) when cover grid is turn off which looks like file explorer. I single click at the title or author cell to change Title or Author(s) name.
After the change all files are gone except cover.jpg, metadata.opf and the pdf file
Before Title or Author Change
After Title Change
After Author Change
Single Click the cell to change Title or Author(s)