The pdf of the book is linked to in the article, and after reading a little of it I&#x27;m struck by its similarity to &quot;Mr. Penumbra&#x27;s 24 Hour Bookstore&quot; <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Mr._Penumbra%27s_24-Hour_Bookstore" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Mr._Penumbra%27s_24-Hour_Books...</a>