Google on Steroids–Part of Puzzle Solving: a review

Mr. Penumbra’s 24-Hour Book Store packs a lot into a small space.  The bookstore is tiny but holds many volumes of mysterious coded books.  The book is likewise short and intense; it’s a suspenseful novel without violence.  Mysteries are uncovered; puzzles are solved using research and technology.    

It has a story for our time, where both old knowledge (early printed books) and the latest new knowledge (Google on steroids) work together to solve a maze of puzzles.

While I liked the plot and characters, I did notice a certain claustrophobic quality to the scenes.  The characters were always in small dimly lit or dark spaces.  Maybe because they were usually reading or staring at a screen, there were almost no scenes outdoors, let alone in nature.  The main characters are twenty something years old; shouldn’t they play outside once in a while?  Except for that personal  quirk, I enjoyed the book.