, and digital works are capable of providing better fixity than print. Any forger can insert the a passable title paper with the specious words “first edition,” and few readers will detect (and fewer care about) the imposture. If you care, though. a simple checksum can confirm that your digital copy is really the version it purports to be, and that it has not been altered.
The specter of a textbook that decides that, being in Texas, we should avoid discussing evolution is chilling, but the specter of a textbook that figures out that its reader intensely dislikes equations but does understand graphs is perhaps less daunting.