French publisher Super Terrain is working in the lab developing a special heat-sensitive edition of the classic novel Fahrenheit 451 by American writer Ray Bradbury. To reinforce the book’s message, which takes place in a dystopian future where books are outlawed and burned, this edition has black thermochromic pages that at first glance appear to have no words on them. The words only appear when heat is applied to the pages.
Source: Fahrenheit 451 Special Edition Only Reveals Words With Heat – PSFK
