The visual representation of all the book's pages is called the

The visual representation of all the book's pages is called the page ladder.
There are various programs online for free (or you can buy them if you want) which will enable you to create this interesting thing. What the page ladder does is creates an image of what all of your pages in the documents will look like together.

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Italian composer who wrote 39 operas, as well as some sacred music, songs, chamber music and piano pieces.