The Book of Lost Books
From A Wiki of Ice and Fire
The Book of Lost Books is a book written by Archmaester Marwyn. In it, Marwyn claims to have obtained three pages of the legendary, long-lost Signs and Portents.
A Feast for Crows
Asha Greyjoy finds Lord Rodrik Harlaw reading the book in the Book Tower.
- ↑ 1.0 1.1 A Feast for Crows, Chapter 11, The Kraken's Daughter.