This should be a common question, but I couldn't find the answer by search or on my nook tablet.

I want to bookmark a page so I can come back to it later, naturally. I know in the upper right I can make a blue marker appear which I presume is a book mark. But when I want to go back to the page, how do I find it? There is no "return to bookmark option" that I can find and you can't look on the edge of the pages like you can a real book and see your bookmark. I know the intent is the nook should be as easy and convenient as a real book, so I have to think they put in a way to insert a useful bookmark. But I haven't found it.

Thanks.