
Biography
A biography is a book that details the life story of a real person, often written by another author, distinct from memoirs which are autobiographical.
Fun Fact
Barack Obama's 'A Promised Land' (2020) and Michelle Obama's 'Becoming' (2018) together secured the largest book advance ever at $60 million.
Price History
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$15 million
Vintage 1952 First Edition Action Comics #1
The comic book debut of Superman, published by DC Comics.

$15.0M
Authentic Signed Copy of 'Action Comics' #1
The first appearance of Superman in 1938, with a signed copy worth over $3.2 million.

$15.0M
Original 1938 Action Comics #1 (CGC 9.0)
The first appearance of Superman in Action Comics, considered the most valuable comic book ever published.

$14.8M
Original 'Rosebud' Sled from Citizen Kane (1941)
The iconic prop sled from Orson Welles' acclaimed film, representing lost childhood.