What every man thinks about apart from sex

This is a book
Here's the description from penguin books.com: https://www.penguin.com.au/books/what-every-man-thinks-about-apart-from-sex-9781742752846

After years of painstaking research, Professor Simove beautifully reveals a man's mind as an open book and the result unlocks an age old secret. . . Take a look inside - you'll be amazed at how accurate and shocking the truth is. ..

For millennia, humans have marveled at the difference between men and women. It's widely known that the female gender is far superior to men in most areas - emotionally, cognitively and socially. But, to date, the complex secrets of a man's mind have eluded science. Apart from 'sex', what does a man actually think about? In this groundbreaking book, Professor Shed Simove reveals the true depth of a man's mind.

Why is this useless?
You may be thinking, how is this useless? Well you see the book is blank. Correct there is no info inside the book.