I use post-it note paper as bookmarks. You can get the really small ones in a variety of colors, they work really great. Plus, they don't slip out of books like regular bookmarks.
By LuLu from Chicago, IL
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Here's a handy idea if you are a reader and seem to have problems keeping bookmarks handy. I found an old soft eyeglass case I wasn't using (the kind with the opening at the top.)