Item from acotar-frost-and-starlight by
An ancient text of unspeakable power, written in a language older than the courts, split in two and entrusted to mortal and fae for safekeeping.
The Book of Breathings is one of the oldest and most dangerous artifacts in Prythian, a text that predates the courts and perhaps the Wall itself. It is written in a language of salt and starlight that no living fae can read, yet its power is such that even those who cannot decipher a single word feel its weight in their bones. The book was split into two halves long ago—one kept among the fae, one among the mortals—so that no single hand could ever wield its full power.
The Book of Breathings is a slim volume bound in what appears to be pale, salt-crusted leather—though no one who has touched it can say whether the leather ever belonged to a beast. Its pages are not paper but something thinner and more luminous, like dried sea-foam pressed flat, and the script upon them shifts when viewed directly, as though the words are breathing. A faint scent of brine and starlight clings to it, and the air around it hums with a quiet, waiting power.
Also known as: The Book, The Breathings, The Salt-Script, The Divided Tome