Mr. Penumbra's 24-Hour Book Store is by Robin Sloan. Clay is an out of work web designer, one day wandering San Francisco looking for a job he wanders into Mr. Penumbra's book store and his life changes forever. He finds himself a night clerk in a bookstore that hardly sells any books; its few customers come in to borrow books that are written in a strange code. Clay and his talented group of friends set out to solve the mystery of the Unbroken Spine. A touching story of the power of friendship and the magic of finding "just the right book." The ending is a little cheesy, but the story is extremely enjoyable.
Ratings: 10th grade - 8 out of 10.