The letter X stands for bookmark ... right? ... because X marks the spot, and a bookmark saves our spot in our favorite book.
Do you use a bookmark? Or do you fold down corners?
I love bookmarks. I even have a fun collection of them. However, to be honest with you, when I'm reading a hardback book, I simply use the folded edge of the jacket cover to keep my page.
Do you have a favorite type of bookmark?