You know, corners – the pointy things that stick out at the edges of the book. Like all things that stick out, they are the most likely to get bumped or worn.

The right angles on the unbound edges of the front and back covers of a hardcover book.

The number of points based on the structure footprint where two converging walls or sides meet creating an angle. Corners that are two feet or less are not counted.

Students are asked to select (by standing next to their choice)from four options which are posted in the corners of the room. Students then defend choices and listen to others' choices.