By strange coincidence the very next day we found a shard of attic ware.
A Single Shard is best suited for 9-14 year olds.
What it is not is a steel shard resulting from the explosion of a high explosive shell.
Publisher/editor/author Karen Cioffi suggested A Single Shard by Linda Sue Park as a great scary book for kids.
That means that a shard of a broken lens is less likely to make it into your eye.