Mr. Penumbra’s 24-Hour Bookstore by Robin Sloan Published: 2012 Length: 304 pages Clay Jannon is a recent college graduate in San Francisco. He worked for a short time as a web designer at a start-up that unfortunately went under. He wanders into a dark and dusty bookshop on a whim one day and lands a job on the night shift. The bookstore turns out to be even stranger than it looks. The owner is very secretive, there’s a whole section of books that Jannon’s not allowed to read, and most of the clientele seem mildly insane. His curiosity soon gets the better of him, however, and he finds himself very…