Download or read book Mr. Penumbra's 24-Hour Bookstore written by Robin Sloan and published by Macmillan. This book was released on 2012-10-02 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: After a layoff during the Great Recession sidelines his tech career, Clay Jannon takes a job at the titular bookstore in San Francisco, and soon realizes that the establishment is a facade for a strange secret.