Here's why:
* No official tracking: There's no central database or registry that keeps track of every person who has read a specific book.
* Wide availability: The book has been in print for decades and is available in various formats (physical, digital, translations), meaning it's accessible to a vast audience.
* Privacy: Reading is a personal activity, and people don't usually share their reading lists with the world.
While we can't say for sure who has read it, we can assume that:
* Many people have: It's a well-known and acclaimed work of literary fiction.
* Its readership spans generations: It's been popular for decades and has likely found readers across different ages and backgrounds.
* Its themes resonate with a diverse audience: The book's exploration of infinity, reality, and the nature of stories has likely appealed to readers with various interests.
Ultimately, while we can't know the exact number or names of people who have read "The Book of Sand," we can be confident that its influence and readership are extensive.