The Mystery of the Perfect Hole

When a strange, perfectly elliptical hole shows up in Henry's yard, his detective mode kicks into gear as he tries to figure out where the hole came from. The clues are there; he just needs to observe them. Then it's up to his unique mind that works best at night to click the clues into place-an amazing phenomenon that leads the middle schooler to one solution after another as mysteries appear around him.
With the help of the peanut butter and jelly sandwich fiend next door, Henry delves into The Mystery of the Perfect Hole. But he encounters only more puzzling questions, as well as the most important discovery of his life. Between his homeschool work and playing pranks on his annoying little brothers, Henry looks for answers. As clues surface and evidence mounts, can you solve the mysteries before the mid-night sleuth does?