line graphic image concept of magnifying glass with open book icon on white background

abstract bible black book bookstore businessman circle collection college concept cover design dictionary discovery document ebook education encyclopedia enlarge experiment exploration find focus glass icon illustration information inspect instrument isolated knowledge learning lens library linear literature look loupe magnification magnifier magnify magnifying novel open optical outline page paper pictograph publication publish publishing read reader research round school science search shadow shape sign silhouette structure study studying symbol text textbook thin tool university vector view web zoom