I'm a huge fan of A Song of Ice and Fire, and I have a bet with a fellow fan that I was hoping you could settle. Samwell mentions a book he found at Castle Black in AFFC:
The book appeared undamaged. Maester Thomax’s Dragonkin, Being a History of House Targaryen from Exile to Apotheosis, with a Consideration of the Life and Death of Dragons had not been so fortunate. It had come open as it fell, and a few pages had gotten muddy, including one with a rather nice picture of Balerion the Black Dread done in colored inks.
Tyrion later mentions a book while on the Shy Maid:
And of course there was even less chance of his coming on the fragmentary, anonymous, blood-soaked tome sometimes called Blood and Fire and sometimes The Death of Dragons, the only surviving copy of which was supposedly hidden away in a locked vault beneath the Citadel.
Both books contain the words "Death of Dragons", are these two books the same?
No. Different books.