Mr. Penumbra's 24-Hour Bookstore Overview
A recently unemployed man takes a job at a mysterious, 24-hour bookstore. Patrons comes and go at all hours to check out books that appear to be in code. Enlisting the help of his friends, Clay Jannon seeks to solve the riddle of Aldus Manutius.
Study Pack
The Mr. Penumbra's 24-Hour Bookstore Study Pack contains:
Mr. Penumbra's 24-Hour Bookstore Study Guide
