Review: A great prequel...
Rating: 4 out of 5
Date: 10 29, 2013
I found this novella much more enjoyable than "Mr. Penumbra's 24-Hour Bookstore" (which is the sequel). The author's technophilia is thankfully muted. The chance to learn about Penumbra before he owned the bookstore and the engaging hunt for a rare book made it difficult to put down!