I believe the answer would be beautiful because it is full of beauty
Decipherability means to determine the meaning of. And as it has suffixed to 'able', i.e. Decipherable, it means the one which could be determined like that
Fahrenheit 451
The Boy In The Striped Pajamas
Everything Everything
Our Man In Havana
Life of Pi
The Abyss Beyond Dreams
Island of The Blue Dolphins
The Terror