" data-effect=fade data-slices=15 data-boxcols=6 data-boxrows=3 data-animspeed=500 data-pausetime=3000 data-directionnav=false data-controlnav=false data-controlnavthumbs=false data-pauseonhover=true data-prevtext=Prev data-nexttext=Next data-mobilebreakpoint=767>
A bookmark is a thin marking tool, commonly made of card, leather, or fabric, used to keep track of a reader's progress in a book and allow the reader to easily return to where the previous reading session ended.