Intentional Pages

When the Godfather came out in paperback, everyone said that you had to read page 27.  Page 27 was the start of the sex scene between Sonny and the bridesmaid .  Sonny had a huge erection; Lucy was aroused; they may have been standing.

From our 11th grade reading of Tess of the D’Urbervilles, it spread around the class.Poor sweet but doomed Tess of the D’Urbervilles. She lost it on page 25.

Unintentional Pages

Pick a book any book. Open the book to a random page. Note the page. Close the book.  Repeat tomorrow. Be surprised when you open the book to the same page.

What causes this magic trick? Is it a physical, physics thing? Have neuroscientists found the part of the brain that controls book opening? Or is it a quality of the page?