From A Wiki of Ice and Fire
|Book||Fire and Blood (mentioned)|
Lyman was an archmaester of the Citadel and the author of Kingdoms of the Sky.
Grand Maester Munkun presented King Aegon III Targaryen with Lyman's book Kingdoms of the Sky but the king showed no interest.
- ↑ 1.0 1.1 Fire & Blood, Under the Regents - The Hooded Hand.