This is a hardcover copy of The World of Ice & Fire, a table book measuring approximately 12 x 9.5 x 1.5 inches, signed in-person by George R.R. Martin. A collectible edition associated with the expanded lore of the Game of Thrones universe and the A Song of Ice and Fire series. George R.R. Martin is also known for his work on Nightflyers (2018) and Beauty and the Beast (1987–1990), two notable credits that highlight his contributions to fantasy storytelling and television writing. This item is certified authentic by James Spence Authentication, Inc. (JSA) Certification number – HH01132