Abstract: A sheet holder is comprised of a base with a sheet holding area, a pair of side posts attached to the base on opposite sides of the sheet holding area, a top post attached to the base at a top edge of the sheet holding area, and a bottom post attached to the base at a bottom edge of the sheet holding area. The side posts are positioned one higher than the other. The bottom post is offset to a side of the sheet holding area corresponding to the lower side post, and the top post is offset to a side of the sheet holding area corresponding to the higher side post. The posts secure a stack of sheets between them on the sheet holding area, and prevent the sheets from rotating or sliding in any direction. The sheet holder can be positioned horizontally or vertically. Heads on the side posts prevent the sheets from falling out when the sheet holder is positioned vertically, or from being blown out by wind. In alternative embodiments for vertical mounting only, the top post is eliminated.